diff --git a/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py b/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py
index ae4af9e604..89a9c224f3 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rule_compiler.py
@@ -844,9 +844,9 @@ if __name__ == "__main__":
         """
 def exists(v):
     if callable(v):
-        try: return v() is not None
+        try: return exists(v())
         except IndexError as e: return False
-    else: return v is not None
+    else: return v is not None and v is not INDETERMINATE
 """,
         "\n",
         file=output,
@@ -1019,9 +1019,11 @@ INDETERMINATE = indeterminate_type()
         for vi in v.values:
             print(f"{vi.lower()} = {k}.{vi}", "\n", file=output, sep="\n")
 
+    print(f"temp_file = ifcopenshell.file(schema_identifier={schema.name!r})", file=output)
+
     for k in schema.entities.keys():
         print(
-            f"def {k}(*args, **kwargs): return ifcopenshell.create_entity({k!r}, {schema.name!r}, *args, **kwargs)",
+            f"def {k}(*args, **kwargs): return temp_file.create_entity({k!r}, *args, **kwargs)",
             "\n",
             file=output,
             sep="\n",
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC2X3.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC2X3.py
index 0a13b357ee..a559e653fd 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC2X3.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC2X3.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,3440 +147,3441 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAheadOrBehind = enum_namespace()
-ahead = getattr(IfcAheadOrBehind, 'AHEAD', INDETERMINATE)
-behind = getattr(IfcAheadOrBehind, 'BEHIND', INDETERMINATE)
+ahead = express_getattr(IfcAheadOrBehind, 'AHEAD', INDETERMINATE)
+behind = express_getattr(IfcAheadOrBehind, 'BEHIND', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-eyeball = getattr(IfcAirTerminalTypeEnum, 'EYEBALL', INDETERMINATE)
-iris = getattr(IfcAirTerminalTypeEnum, 'IRIS', INDETERMINATE)
-lineargrille = getattr(IfcAirTerminalTypeEnum, 'LINEARGRILLE', INDETERMINATE)
-lineardiffuser = getattr(IfcAirTerminalTypeEnum, 'LINEARDIFFUSER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+eyeball = express_getattr(IfcAirTerminalTypeEnum, 'EYEBALL', INDETERMINATE)
+iris = express_getattr(IfcAirTerminalTypeEnum, 'IRIS', INDETERMINATE)
+lineargrille = express_getattr(IfcAirTerminalTypeEnum, 'LINEARGRILLE', INDETERMINATE)
+lineardiffuser = express_getattr(IfcAirTerminalTypeEnum, 'LINEARDIFFUSER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-modifiedadded = getattr(IfcChangeActionEnum, 'MODIFIEDADDED', INDETERMINATE)
-modifieddeleted = getattr(IfcChangeActionEnum, 'MODIFIEDDELETED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+modifiedadded = express_getattr(IfcChangeActionEnum, 'MODIFIEDADDED', INDETERMINATE)
+modifieddeleted = express_getattr(IfcChangeActionEnum, 'MODIFIEDDELETED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-proportionalintegral = getattr(IfcControllerTypeEnum, 'PROPORTIONALINTEGRAL', INDETERMINATE)
-proportionalintegralderivative = getattr(IfcControllerTypeEnum, 'PROPORTIONALINTEGRALDERIVATIVE', INDETERMINATE)
-timedtwoposition = getattr(IfcControllerTypeEnum, 'TIMEDTWOPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+proportionalintegral = express_getattr(IfcControllerTypeEnum, 'PROPORTIONALINTEGRAL', INDETERMINATE)
+proportionalintegralderivative = express_getattr(IfcControllerTypeEnum, 'PROPORTIONALINTEGRALDERIVATIVE', INDETERMINATE)
+timedtwoposition = express_getattr(IfcControllerTypeEnum, 'TIMEDTWOPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurrencyEnum = enum_namespace()
-aed = getattr(IfcCurrencyEnum, 'AED', INDETERMINATE)
-aes = getattr(IfcCurrencyEnum, 'AES', INDETERMINATE)
-ats = getattr(IfcCurrencyEnum, 'ATS', INDETERMINATE)
-aud = getattr(IfcCurrencyEnum, 'AUD', INDETERMINATE)
-bbd = getattr(IfcCurrencyEnum, 'BBD', INDETERMINATE)
-beg = getattr(IfcCurrencyEnum, 'BEG', INDETERMINATE)
-bgl = getattr(IfcCurrencyEnum, 'BGL', INDETERMINATE)
-bhd = getattr(IfcCurrencyEnum, 'BHD', INDETERMINATE)
-bmd = getattr(IfcCurrencyEnum, 'BMD', INDETERMINATE)
-bnd = getattr(IfcCurrencyEnum, 'BND', INDETERMINATE)
-brl = getattr(IfcCurrencyEnum, 'BRL', INDETERMINATE)
-bsd = getattr(IfcCurrencyEnum, 'BSD', INDETERMINATE)
-bwp = getattr(IfcCurrencyEnum, 'BWP', INDETERMINATE)
-bzd = getattr(IfcCurrencyEnum, 'BZD', INDETERMINATE)
-cad = getattr(IfcCurrencyEnum, 'CAD', INDETERMINATE)
-cbd = getattr(IfcCurrencyEnum, 'CBD', INDETERMINATE)
-chf = getattr(IfcCurrencyEnum, 'CHF', INDETERMINATE)
-clp = getattr(IfcCurrencyEnum, 'CLP', INDETERMINATE)
-cny = getattr(IfcCurrencyEnum, 'CNY', INDETERMINATE)
-cys = getattr(IfcCurrencyEnum, 'CYS', INDETERMINATE)
-czk = getattr(IfcCurrencyEnum, 'CZK', INDETERMINATE)
-ddp = getattr(IfcCurrencyEnum, 'DDP', INDETERMINATE)
-dem = getattr(IfcCurrencyEnum, 'DEM', INDETERMINATE)
-dkk = getattr(IfcCurrencyEnum, 'DKK', INDETERMINATE)
-egl = getattr(IfcCurrencyEnum, 'EGL', INDETERMINATE)
-est = getattr(IfcCurrencyEnum, 'EST', INDETERMINATE)
-eur = getattr(IfcCurrencyEnum, 'EUR', INDETERMINATE)
-fak = getattr(IfcCurrencyEnum, 'FAK', INDETERMINATE)
-fim = getattr(IfcCurrencyEnum, 'FIM', INDETERMINATE)
-fjd = getattr(IfcCurrencyEnum, 'FJD', INDETERMINATE)
-fkp = getattr(IfcCurrencyEnum, 'FKP', INDETERMINATE)
-frf = getattr(IfcCurrencyEnum, 'FRF', INDETERMINATE)
-gbp = getattr(IfcCurrencyEnum, 'GBP', INDETERMINATE)
-gip = getattr(IfcCurrencyEnum, 'GIP', INDETERMINATE)
-gmd = getattr(IfcCurrencyEnum, 'GMD', INDETERMINATE)
-grx = getattr(IfcCurrencyEnum, 'GRX', INDETERMINATE)
-hkd = getattr(IfcCurrencyEnum, 'HKD', INDETERMINATE)
-huf = getattr(IfcCurrencyEnum, 'HUF', INDETERMINATE)
-ick = getattr(IfcCurrencyEnum, 'ICK', INDETERMINATE)
-idr = getattr(IfcCurrencyEnum, 'IDR', INDETERMINATE)
-ils = getattr(IfcCurrencyEnum, 'ILS', INDETERMINATE)
-inr = getattr(IfcCurrencyEnum, 'INR', INDETERMINATE)
-irp = getattr(IfcCurrencyEnum, 'IRP', INDETERMINATE)
-itl = getattr(IfcCurrencyEnum, 'ITL', INDETERMINATE)
-jmd = getattr(IfcCurrencyEnum, 'JMD', INDETERMINATE)
-jod = getattr(IfcCurrencyEnum, 'JOD', INDETERMINATE)
-jpy = getattr(IfcCurrencyEnum, 'JPY', INDETERMINATE)
-kes = getattr(IfcCurrencyEnum, 'KES', INDETERMINATE)
-krw = getattr(IfcCurrencyEnum, 'KRW', INDETERMINATE)
-kwd = getattr(IfcCurrencyEnum, 'KWD', INDETERMINATE)
-kyd = getattr(IfcCurrencyEnum, 'KYD', INDETERMINATE)
-lkr = getattr(IfcCurrencyEnum, 'LKR', INDETERMINATE)
-luf = getattr(IfcCurrencyEnum, 'LUF', INDETERMINATE)
-mtl = getattr(IfcCurrencyEnum, 'MTL', INDETERMINATE)
-mur = getattr(IfcCurrencyEnum, 'MUR', INDETERMINATE)
-mxn = getattr(IfcCurrencyEnum, 'MXN', INDETERMINATE)
-myr = getattr(IfcCurrencyEnum, 'MYR', INDETERMINATE)
-nlg = getattr(IfcCurrencyEnum, 'NLG', INDETERMINATE)
-nzd = getattr(IfcCurrencyEnum, 'NZD', INDETERMINATE)
-omr = getattr(IfcCurrencyEnum, 'OMR', INDETERMINATE)
-pgk = getattr(IfcCurrencyEnum, 'PGK', INDETERMINATE)
-php = getattr(IfcCurrencyEnum, 'PHP', INDETERMINATE)
-pkr = getattr(IfcCurrencyEnum, 'PKR', INDETERMINATE)
-pln = getattr(IfcCurrencyEnum, 'PLN', INDETERMINATE)
-ptn = getattr(IfcCurrencyEnum, 'PTN', INDETERMINATE)
-qar = getattr(IfcCurrencyEnum, 'QAR', INDETERMINATE)
-rur = getattr(IfcCurrencyEnum, 'RUR', INDETERMINATE)
-sar = getattr(IfcCurrencyEnum, 'SAR', INDETERMINATE)
-scr = getattr(IfcCurrencyEnum, 'SCR', INDETERMINATE)
-sek = getattr(IfcCurrencyEnum, 'SEK', INDETERMINATE)
-sgd = getattr(IfcCurrencyEnum, 'SGD', INDETERMINATE)
-skp = getattr(IfcCurrencyEnum, 'SKP', INDETERMINATE)
-thb = getattr(IfcCurrencyEnum, 'THB', INDETERMINATE)
-trl = getattr(IfcCurrencyEnum, 'TRL', INDETERMINATE)
-ttd = getattr(IfcCurrencyEnum, 'TTD', INDETERMINATE)
-twd = getattr(IfcCurrencyEnum, 'TWD', INDETERMINATE)
-usd = getattr(IfcCurrencyEnum, 'USD', INDETERMINATE)
-veb = getattr(IfcCurrencyEnum, 'VEB', INDETERMINATE)
-vnd = getattr(IfcCurrencyEnum, 'VND', INDETERMINATE)
-xeu = getattr(IfcCurrencyEnum, 'XEU', INDETERMINATE)
-zar = getattr(IfcCurrencyEnum, 'ZAR', INDETERMINATE)
-zwd = getattr(IfcCurrencyEnum, 'ZWD', INDETERMINATE)
-nok = getattr(IfcCurrencyEnum, 'NOK', INDETERMINATE)
+aed = express_getattr(IfcCurrencyEnum, 'AED', INDETERMINATE)
+aes = express_getattr(IfcCurrencyEnum, 'AES', INDETERMINATE)
+ats = express_getattr(IfcCurrencyEnum, 'ATS', INDETERMINATE)
+aud = express_getattr(IfcCurrencyEnum, 'AUD', INDETERMINATE)
+bbd = express_getattr(IfcCurrencyEnum, 'BBD', INDETERMINATE)
+beg = express_getattr(IfcCurrencyEnum, 'BEG', INDETERMINATE)
+bgl = express_getattr(IfcCurrencyEnum, 'BGL', INDETERMINATE)
+bhd = express_getattr(IfcCurrencyEnum, 'BHD', INDETERMINATE)
+bmd = express_getattr(IfcCurrencyEnum, 'BMD', INDETERMINATE)
+bnd = express_getattr(IfcCurrencyEnum, 'BND', INDETERMINATE)
+brl = express_getattr(IfcCurrencyEnum, 'BRL', INDETERMINATE)
+bsd = express_getattr(IfcCurrencyEnum, 'BSD', INDETERMINATE)
+bwp = express_getattr(IfcCurrencyEnum, 'BWP', INDETERMINATE)
+bzd = express_getattr(IfcCurrencyEnum, 'BZD', INDETERMINATE)
+cad = express_getattr(IfcCurrencyEnum, 'CAD', INDETERMINATE)
+cbd = express_getattr(IfcCurrencyEnum, 'CBD', INDETERMINATE)
+chf = express_getattr(IfcCurrencyEnum, 'CHF', INDETERMINATE)
+clp = express_getattr(IfcCurrencyEnum, 'CLP', INDETERMINATE)
+cny = express_getattr(IfcCurrencyEnum, 'CNY', INDETERMINATE)
+cys = express_getattr(IfcCurrencyEnum, 'CYS', INDETERMINATE)
+czk = express_getattr(IfcCurrencyEnum, 'CZK', INDETERMINATE)
+ddp = express_getattr(IfcCurrencyEnum, 'DDP', INDETERMINATE)
+dem = express_getattr(IfcCurrencyEnum, 'DEM', INDETERMINATE)
+dkk = express_getattr(IfcCurrencyEnum, 'DKK', INDETERMINATE)
+egl = express_getattr(IfcCurrencyEnum, 'EGL', INDETERMINATE)
+est = express_getattr(IfcCurrencyEnum, 'EST', INDETERMINATE)
+eur = express_getattr(IfcCurrencyEnum, 'EUR', INDETERMINATE)
+fak = express_getattr(IfcCurrencyEnum, 'FAK', INDETERMINATE)
+fim = express_getattr(IfcCurrencyEnum, 'FIM', INDETERMINATE)
+fjd = express_getattr(IfcCurrencyEnum, 'FJD', INDETERMINATE)
+fkp = express_getattr(IfcCurrencyEnum, 'FKP', INDETERMINATE)
+frf = express_getattr(IfcCurrencyEnum, 'FRF', INDETERMINATE)
+gbp = express_getattr(IfcCurrencyEnum, 'GBP', INDETERMINATE)
+gip = express_getattr(IfcCurrencyEnum, 'GIP', INDETERMINATE)
+gmd = express_getattr(IfcCurrencyEnum, 'GMD', INDETERMINATE)
+grx = express_getattr(IfcCurrencyEnum, 'GRX', INDETERMINATE)
+hkd = express_getattr(IfcCurrencyEnum, 'HKD', INDETERMINATE)
+huf = express_getattr(IfcCurrencyEnum, 'HUF', INDETERMINATE)
+ick = express_getattr(IfcCurrencyEnum, 'ICK', INDETERMINATE)
+idr = express_getattr(IfcCurrencyEnum, 'IDR', INDETERMINATE)
+ils = express_getattr(IfcCurrencyEnum, 'ILS', INDETERMINATE)
+inr = express_getattr(IfcCurrencyEnum, 'INR', INDETERMINATE)
+irp = express_getattr(IfcCurrencyEnum, 'IRP', INDETERMINATE)
+itl = express_getattr(IfcCurrencyEnum, 'ITL', INDETERMINATE)
+jmd = express_getattr(IfcCurrencyEnum, 'JMD', INDETERMINATE)
+jod = express_getattr(IfcCurrencyEnum, 'JOD', INDETERMINATE)
+jpy = express_getattr(IfcCurrencyEnum, 'JPY', INDETERMINATE)
+kes = express_getattr(IfcCurrencyEnum, 'KES', INDETERMINATE)
+krw = express_getattr(IfcCurrencyEnum, 'KRW', INDETERMINATE)
+kwd = express_getattr(IfcCurrencyEnum, 'KWD', INDETERMINATE)
+kyd = express_getattr(IfcCurrencyEnum, 'KYD', INDETERMINATE)
+lkr = express_getattr(IfcCurrencyEnum, 'LKR', INDETERMINATE)
+luf = express_getattr(IfcCurrencyEnum, 'LUF', INDETERMINATE)
+mtl = express_getattr(IfcCurrencyEnum, 'MTL', INDETERMINATE)
+mur = express_getattr(IfcCurrencyEnum, 'MUR', INDETERMINATE)
+mxn = express_getattr(IfcCurrencyEnum, 'MXN', INDETERMINATE)
+myr = express_getattr(IfcCurrencyEnum, 'MYR', INDETERMINATE)
+nlg = express_getattr(IfcCurrencyEnum, 'NLG', INDETERMINATE)
+nzd = express_getattr(IfcCurrencyEnum, 'NZD', INDETERMINATE)
+omr = express_getattr(IfcCurrencyEnum, 'OMR', INDETERMINATE)
+pgk = express_getattr(IfcCurrencyEnum, 'PGK', INDETERMINATE)
+php = express_getattr(IfcCurrencyEnum, 'PHP', INDETERMINATE)
+pkr = express_getattr(IfcCurrencyEnum, 'PKR', INDETERMINATE)
+pln = express_getattr(IfcCurrencyEnum, 'PLN', INDETERMINATE)
+ptn = express_getattr(IfcCurrencyEnum, 'PTN', INDETERMINATE)
+qar = express_getattr(IfcCurrencyEnum, 'QAR', INDETERMINATE)
+rur = express_getattr(IfcCurrencyEnum, 'RUR', INDETERMINATE)
+sar = express_getattr(IfcCurrencyEnum, 'SAR', INDETERMINATE)
+scr = express_getattr(IfcCurrencyEnum, 'SCR', INDETERMINATE)
+sek = express_getattr(IfcCurrencyEnum, 'SEK', INDETERMINATE)
+sgd = express_getattr(IfcCurrencyEnum, 'SGD', INDETERMINATE)
+skp = express_getattr(IfcCurrencyEnum, 'SKP', INDETERMINATE)
+thb = express_getattr(IfcCurrencyEnum, 'THB', INDETERMINATE)
+trl = express_getattr(IfcCurrencyEnum, 'TRL', INDETERMINATE)
+ttd = express_getattr(IfcCurrencyEnum, 'TTD', INDETERMINATE)
+twd = express_getattr(IfcCurrencyEnum, 'TWD', INDETERMINATE)
+usd = express_getattr(IfcCurrencyEnum, 'USD', INDETERMINATE)
+veb = express_getattr(IfcCurrencyEnum, 'VEB', INDETERMINATE)
+vnd = express_getattr(IfcCurrencyEnum, 'VND', INDETERMINATE)
+xeu = express_getattr(IfcCurrencyEnum, 'XEU', INDETERMINATE)
+zar = express_getattr(IfcCurrencyEnum, 'ZAR', INDETERMINATE)
+zwd = express_getattr(IfcCurrencyEnum, 'ZWD', INDETERMINATE)
+nok = express_getattr(IfcCurrencyEnum, 'NOK', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDimensionExtentUsage = enum_namespace()
-origin = getattr(IfcDimensionExtentUsage, 'ORIGIN', INDETERMINATE)
-target = getattr(IfcDimensionExtentUsage, 'TARGET', INDETERMINATE)
+origin = express_getattr(IfcDimensionExtentUsage, 'ORIGIN', INDETERMINATE)
+target = express_getattr(IfcDimensionExtentUsage, 'TARGET', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-computer = getattr(IfcElectricApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-directwaterheater = getattr(IfcElectricApplianceTypeEnum, 'DIRECTWATERHEATER', INDETERMINATE)
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-electricheater = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICHEATER', INDETERMINATE)
-facsimile = getattr(IfcElectricApplianceTypeEnum, 'FACSIMILE', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-indirectwaterheater = getattr(IfcElectricApplianceTypeEnum, 'INDIRECTWATERHEATER', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-printer = getattr(IfcElectricApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-radiantheater = getattr(IfcElectricApplianceTypeEnum, 'RADIANTHEATER', INDETERMINATE)
-scanner = getattr(IfcElectricApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-telephone = getattr(IfcElectricApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-tv = getattr(IfcElectricApplianceTypeEnum, 'TV', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-waterheater = getattr(IfcElectricApplianceTypeEnum, 'WATERHEATER', INDETERMINATE)
-watercooler = getattr(IfcElectricApplianceTypeEnum, 'WATERCOOLER', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+computer = express_getattr(IfcElectricApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+directwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'DIRECTWATERHEATER', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+electricheater = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICHEATER', INDETERMINATE)
+facsimile = express_getattr(IfcElectricApplianceTypeEnum, 'FACSIMILE', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+indirectwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'INDIRECTWATERHEATER', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+printer = express_getattr(IfcElectricApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+radiantheater = express_getattr(IfcElectricApplianceTypeEnum, 'RADIANTHEATER', INDETERMINATE)
+scanner = express_getattr(IfcElectricApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+telephone = express_getattr(IfcElectricApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+tv = express_getattr(IfcElectricApplianceTypeEnum, 'TV', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+waterheater = express_getattr(IfcElectricApplianceTypeEnum, 'WATERHEATER', INDETERMINATE)
+watercooler = express_getattr(IfcElectricApplianceTypeEnum, 'WATERCOOLER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricCurrentEnum = enum_namespace()
-alternating = getattr(IfcElectricCurrentEnum, 'ALTERNATING', INDETERMINATE)
-direct = getattr(IfcElectricCurrentEnum, 'DIRECT', INDETERMINATE)
-notdefined = getattr(IfcElectricCurrentEnum, 'NOTDEFINED', INDETERMINATE)
+alternating = express_getattr(IfcElectricCurrentEnum, 'ALTERNATING', INDETERMINATE)
+direct = express_getattr(IfcElectricCurrentEnum, 'DIRECT', INDETERMINATE)
+notdefined = express_getattr(IfcElectricCurrentEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionPointFunctionEnum = enum_namespace()
-alarmpanel = getattr(IfcElectricDistributionPointFunctionEnum, 'ALARMPANEL', INDETERMINATE)
-consumerunit = getattr(IfcElectricDistributionPointFunctionEnum, 'CONSUMERUNIT', INDETERMINATE)
-controlpanel = getattr(IfcElectricDistributionPointFunctionEnum, 'CONTROLPANEL', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionPointFunctionEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-gasdetectorpanel = getattr(IfcElectricDistributionPointFunctionEnum, 'GASDETECTORPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcElectricDistributionPointFunctionEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcElectricDistributionPointFunctionEnum, 'MIMICPANEL', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionPointFunctionEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionPointFunctionEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionPointFunctionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionPointFunctionEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcElectricDistributionPointFunctionEnum, 'ALARMPANEL', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionPointFunctionEnum, 'CONSUMERUNIT', INDETERMINATE)
+controlpanel = express_getattr(IfcElectricDistributionPointFunctionEnum, 'CONTROLPANEL', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionPointFunctionEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+gasdetectorpanel = express_getattr(IfcElectricDistributionPointFunctionEnum, 'GASDETECTORPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcElectricDistributionPointFunctionEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcElectricDistributionPointFunctionEnum, 'MIMICPANEL', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionPointFunctionEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionPointFunctionEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionPointFunctionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionPointFunctionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricHeaterTypeEnum = enum_namespace()
-electricpointheater = getattr(IfcElectricHeaterTypeEnum, 'ELECTRICPOINTHEATER', INDETERMINATE)
-electriccableheater = getattr(IfcElectricHeaterTypeEnum, 'ELECTRICCABLEHEATER', INDETERMINATE)
-electricmatheater = getattr(IfcElectricHeaterTypeEnum, 'ELECTRICMATHEATER', INDETERMINATE)
-userdefined = getattr(IfcElectricHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricpointheater = express_getattr(IfcElectricHeaterTypeEnum, 'ELECTRICPOINTHEATER', INDETERMINATE)
+electriccableheater = express_getattr(IfcElectricHeaterTypeEnum, 'ELECTRICCABLEHEATER', INDETERMINATE)
+electricmatheater = express_getattr(IfcElectricHeaterTypeEnum, 'ELECTRICMATHEATER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEnergySequenceEnum = enum_namespace()
-primary = getattr(IfcEnergySequenceEnum, 'PRIMARY', INDETERMINATE)
-secondary = getattr(IfcEnergySequenceEnum, 'SECONDARY', INDETERMINATE)
-tertiary = getattr(IfcEnergySequenceEnum, 'TERTIARY', INDETERMINATE)
-auxiliary = getattr(IfcEnergySequenceEnum, 'AUXILIARY', INDETERMINATE)
-userdefined = getattr(IfcEnergySequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEnergySequenceEnum, 'NOTDEFINED', INDETERMINATE)
+primary = express_getattr(IfcEnergySequenceEnum, 'PRIMARY', INDETERMINATE)
+secondary = express_getattr(IfcEnergySequenceEnum, 'SECONDARY', INDETERMINATE)
+tertiary = express_getattr(IfcEnergySequenceEnum, 'TERTIARY', INDETERMINATE)
+auxiliary = express_getattr(IfcEnergySequenceEnum, 'AUXILIARY', INDETERMINATE)
+userdefined = express_getattr(IfcEnergySequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEnergySequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEnvironmentalImpactCategoryEnum = enum_namespace()
-combinedvalue = getattr(IfcEnvironmentalImpactCategoryEnum, 'COMBINEDVALUE', INDETERMINATE)
-disposal = getattr(IfcEnvironmentalImpactCategoryEnum, 'DISPOSAL', INDETERMINATE)
-extraction = getattr(IfcEnvironmentalImpactCategoryEnum, 'EXTRACTION', INDETERMINATE)
-installation = getattr(IfcEnvironmentalImpactCategoryEnum, 'INSTALLATION', INDETERMINATE)
-manufacture = getattr(IfcEnvironmentalImpactCategoryEnum, 'MANUFACTURE', INDETERMINATE)
-transportation = getattr(IfcEnvironmentalImpactCategoryEnum, 'TRANSPORTATION', INDETERMINATE)
-userdefined = getattr(IfcEnvironmentalImpactCategoryEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEnvironmentalImpactCategoryEnum, 'NOTDEFINED', INDETERMINATE)
+combinedvalue = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'COMBINEDVALUE', INDETERMINATE)
+disposal = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'DISPOSAL', INDETERMINATE)
+extraction = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'EXTRACTION', INDETERMINATE)
+installation = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'INSTALLATION', INDETERMINATE)
+manufacture = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'MANUFACTURE', INDETERMINATE)
+transportation = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'TRANSPORTATION', INDETERMINATE)
+userdefined = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEnvironmentalImpactCategoryEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-electricmeter = getattr(IfcFlowMeterTypeEnum, 'ELECTRICMETER', INDETERMINATE)
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-flowmeter = getattr(IfcFlowMeterTypeEnum, 'FLOWMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricmeter = express_getattr(IfcFlowMeterTypeEnum, 'ELECTRICMETER', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+flowmeter = express_getattr(IfcFlowMeterTypeEnum, 'FLOWMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGasTerminalTypeEnum = enum_namespace()
-gasappliance = getattr(IfcGasTerminalTypeEnum, 'GASAPPLIANCE', INDETERMINATE)
-gasbooster = getattr(IfcGasTerminalTypeEnum, 'GASBOOSTER', INDETERMINATE)
-gasburner = getattr(IfcGasTerminalTypeEnum, 'GASBURNER', INDETERMINATE)
-userdefined = getattr(IfcGasTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGasTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+gasappliance = express_getattr(IfcGasTerminalTypeEnum, 'GASAPPLIANCE', INDETERMINATE)
+gasbooster = express_getattr(IfcGasTerminalTypeEnum, 'GASBOOSTER', INDETERMINATE)
+gasburner = express_getattr(IfcGasTerminalTypeEnum, 'GASBURNER', INDETERMINATE)
+userdefined = express_getattr(IfcGasTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGasTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION_GROUP', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION_GROUP', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNullStyle = enum_namespace()
-null = getattr(IfcNullStyle, 'NULL', INDETERMINATE)
+null = express_getattr(IfcNullStyle, 'NULL', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderRecordTypeEnum = enum_namespace()
-change = getattr(IfcProjectOrderRecordTypeEnum, 'CHANGE', INDETERMINATE)
-maintenance = getattr(IfcProjectOrderRecordTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcProjectOrderRecordTypeEnum, 'MOVE', INDETERMINATE)
-purchase = getattr(IfcProjectOrderRecordTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcProjectOrderRecordTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderRecordTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderRecordTypeEnum, 'NOTDEFINED', INDETERMINATE)
+change = express_getattr(IfcProjectOrderRecordTypeEnum, 'CHANGE', INDETERMINATE)
+maintenance = express_getattr(IfcProjectOrderRecordTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcProjectOrderRecordTypeEnum, 'MOVE', INDETERMINATE)
+purchase = express_getattr(IfcProjectOrderRecordTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcProjectOrderRecordTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderRecordTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderRecordTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcPropertySourceEnum = enum_namespace()
-design = getattr(IfcPropertySourceEnum, 'DESIGN', INDETERMINATE)
-designmaximum = getattr(IfcPropertySourceEnum, 'DESIGNMAXIMUM', INDETERMINATE)
-designminimum = getattr(IfcPropertySourceEnum, 'DESIGNMINIMUM', INDETERMINATE)
-simulated = getattr(IfcPropertySourceEnum, 'SIMULATED', INDETERMINATE)
-asbuilt = getattr(IfcPropertySourceEnum, 'ASBUILT', INDETERMINATE)
-commissioning = getattr(IfcPropertySourceEnum, 'COMMISSIONING', INDETERMINATE)
-measured = getattr(IfcPropertySourceEnum, 'MEASURED', INDETERMINATE)
-userdefined = getattr(IfcPropertySourceEnum, 'USERDEFINED', INDETERMINATE)
-notknown = getattr(IfcPropertySourceEnum, 'NOTKNOWN', INDETERMINATE)
+design = express_getattr(IfcPropertySourceEnum, 'DESIGN', INDETERMINATE)
+designmaximum = express_getattr(IfcPropertySourceEnum, 'DESIGNMAXIMUM', INDETERMINATE)
+designminimum = express_getattr(IfcPropertySourceEnum, 'DESIGNMINIMUM', INDETERMINATE)
+simulated = express_getattr(IfcPropertySourceEnum, 'SIMULATED', INDETERMINATE)
+asbuilt = express_getattr(IfcPropertySourceEnum, 'ASBUILT', INDETERMINATE)
+commissioning = express_getattr(IfcPropertySourceEnum, 'COMMISSIONING', INDETERMINATE)
+measured = express_getattr(IfcPropertySourceEnum, 'MEASURED', INDETERMINATE)
+userdefined = express_getattr(IfcPropertySourceEnum, 'USERDEFINED', INDETERMINATE)
+notknown = express_getattr(IfcPropertySourceEnum, 'NOTKNOWN', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthfailuredevice = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHFAILUREDEVICE', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthfailuredevice = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHFAILUREDEVICE', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcResourceConsumptionEnum = enum_namespace()
-consumed = getattr(IfcResourceConsumptionEnum, 'CONSUMED', INDETERMINATE)
-partiallyconsumed = getattr(IfcResourceConsumptionEnum, 'PARTIALLYCONSUMED', INDETERMINATE)
-notconsumed = getattr(IfcResourceConsumptionEnum, 'NOTCONSUMED', INDETERMINATE)
-occupied = getattr(IfcResourceConsumptionEnum, 'OCCUPIED', INDETERMINATE)
-partiallyoccupied = getattr(IfcResourceConsumptionEnum, 'PARTIALLYOCCUPIED', INDETERMINATE)
-notoccupied = getattr(IfcResourceConsumptionEnum, 'NOTOCCUPIED', INDETERMINATE)
-userdefined = getattr(IfcResourceConsumptionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcResourceConsumptionEnum, 'NOTDEFINED', INDETERMINATE)
+consumed = express_getattr(IfcResourceConsumptionEnum, 'CONSUMED', INDETERMINATE)
+partiallyconsumed = express_getattr(IfcResourceConsumptionEnum, 'PARTIALLYCONSUMED', INDETERMINATE)
+notconsumed = express_getattr(IfcResourceConsumptionEnum, 'NOTCONSUMED', INDETERMINATE)
+occupied = express_getattr(IfcResourceConsumptionEnum, 'OCCUPIED', INDETERMINATE)
+partiallyoccupied = express_getattr(IfcResourceConsumptionEnum, 'PARTIALLYOCCUPIED', INDETERMINATE)
+notoccupied = express_getattr(IfcResourceConsumptionEnum, 'NOTOCCUPIED', INDETERMINATE)
+userdefined = express_getattr(IfcResourceConsumptionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcResourceConsumptionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRibPlateDirectionEnum = enum_namespace()
-direction_x = getattr(IfcRibPlateDirectionEnum, 'DIRECTION_X', INDETERMINATE)
-direction_y = getattr(IfcRibPlateDirectionEnum, 'DIRECTION_Y', INDETERMINATE)
+direction_x = express_getattr(IfcRibPlateDirectionEnum, 'DIRECTION_X', INDETERMINATE)
+direction_y = express_getattr(IfcRibPlateDirectionEnum, 'DIRECTION_Y', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-comissioningengineer = getattr(IfcRoleEnum, 'COMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+comissioningengineer = express_getattr(IfcRoleEnum, 'COMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcServiceLifeFactorTypeEnum = enum_namespace()
-a_qualityofcomponents = getattr(IfcServiceLifeFactorTypeEnum, 'A_QUALITYOFCOMPONENTS', INDETERMINATE)
-b_designlevel = getattr(IfcServiceLifeFactorTypeEnum, 'B_DESIGNLEVEL', INDETERMINATE)
-c_workexecutionlevel = getattr(IfcServiceLifeFactorTypeEnum, 'C_WORKEXECUTIONLEVEL', INDETERMINATE)
-d_indoorenvironment = getattr(IfcServiceLifeFactorTypeEnum, 'D_INDOORENVIRONMENT', INDETERMINATE)
-e_outdoorenvironment = getattr(IfcServiceLifeFactorTypeEnum, 'E_OUTDOORENVIRONMENT', INDETERMINATE)
-f_inuseconditions = getattr(IfcServiceLifeFactorTypeEnum, 'F_INUSECONDITIONS', INDETERMINATE)
-g_maintenancelevel = getattr(IfcServiceLifeFactorTypeEnum, 'G_MAINTENANCELEVEL', INDETERMINATE)
-userdefined = getattr(IfcServiceLifeFactorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcServiceLifeFactorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+a_qualityofcomponents = express_getattr(IfcServiceLifeFactorTypeEnum, 'A_QUALITYOFCOMPONENTS', INDETERMINATE)
+b_designlevel = express_getattr(IfcServiceLifeFactorTypeEnum, 'B_DESIGNLEVEL', INDETERMINATE)
+c_workexecutionlevel = express_getattr(IfcServiceLifeFactorTypeEnum, 'C_WORKEXECUTIONLEVEL', INDETERMINATE)
+d_indoorenvironment = express_getattr(IfcServiceLifeFactorTypeEnum, 'D_INDOORENVIRONMENT', INDETERMINATE)
+e_outdoorenvironment = express_getattr(IfcServiceLifeFactorTypeEnum, 'E_OUTDOORENVIRONMENT', INDETERMINATE)
+f_inuseconditions = express_getattr(IfcServiceLifeFactorTypeEnum, 'F_INUSECONDITIONS', INDETERMINATE)
+g_maintenancelevel = express_getattr(IfcServiceLifeFactorTypeEnum, 'G_MAINTENANCELEVEL', INDETERMINATE)
+userdefined = express_getattr(IfcServiceLifeFactorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcServiceLifeFactorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcServiceLifeTypeEnum = enum_namespace()
-actualservicelife = getattr(IfcServiceLifeTypeEnum, 'ACTUALSERVICELIFE', INDETERMINATE)
-expectedservicelife = getattr(IfcServiceLifeTypeEnum, 'EXPECTEDSERVICELIFE', INDETERMINATE)
-optimisticreferenceservicelife = getattr(IfcServiceLifeTypeEnum, 'OPTIMISTICREFERENCESERVICELIFE', INDETERMINATE)
-pessimisticreferenceservicelife = getattr(IfcServiceLifeTypeEnum, 'PESSIMISTICREFERENCESERVICELIFE', INDETERMINATE)
-referenceservicelife = getattr(IfcServiceLifeTypeEnum, 'REFERENCESERVICELIFE', INDETERMINATE)
+actualservicelife = express_getattr(IfcServiceLifeTypeEnum, 'ACTUALSERVICELIFE', INDETERMINATE)
+expectedservicelife = express_getattr(IfcServiceLifeTypeEnum, 'EXPECTEDSERVICELIFE', INDETERMINATE)
+optimisticreferenceservicelife = express_getattr(IfcServiceLifeTypeEnum, 'OPTIMISTICREFERENCESERVICELIFE', INDETERMINATE)
+pessimisticreferenceservicelife = express_getattr(IfcServiceLifeTypeEnum, 'PESSIMISTICREFERENCESERVICELIFE', INDETERMINATE)
+referenceservicelife = express_getattr(IfcServiceLifeTypeEnum, 'REFERENCESERVICELIFE', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSoundScaleEnum = enum_namespace()
-dba = getattr(IfcSoundScaleEnum, 'DBA', INDETERMINATE)
-dbb = getattr(IfcSoundScaleEnum, 'DBB', INDETERMINATE)
-dbc = getattr(IfcSoundScaleEnum, 'DBC', INDETERMINATE)
-nc = getattr(IfcSoundScaleEnum, 'NC', INDETERMINATE)
-nr = getattr(IfcSoundScaleEnum, 'NR', INDETERMINATE)
-userdefined = getattr(IfcSoundScaleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSoundScaleEnum, 'NOTDEFINED', INDETERMINATE)
+dba = express_getattr(IfcSoundScaleEnum, 'DBA', INDETERMINATE)
+dbb = express_getattr(IfcSoundScaleEnum, 'DBB', INDETERMINATE)
+dbc = express_getattr(IfcSoundScaleEnum, 'DBC', INDETERMINATE)
+nc = express_getattr(IfcSoundScaleEnum, 'NC', INDETERMINATE)
+nr = express_getattr(IfcSoundScaleEnum, 'NR', INDETERMINATE)
+userdefined = express_getattr(IfcSoundScaleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSoundScaleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-sectionalradiator = getattr(IfcSpaceHeaterTypeEnum, 'SECTIONALRADIATOR', INDETERMINATE)
-panelradiator = getattr(IfcSpaceHeaterTypeEnum, 'PANELRADIATOR', INDETERMINATE)
-tubularradiator = getattr(IfcSpaceHeaterTypeEnum, 'TUBULARRADIATOR', INDETERMINATE)
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-baseboardheater = getattr(IfcSpaceHeaterTypeEnum, 'BASEBOARDHEATER', INDETERMINATE)
-finnedtubeunit = getattr(IfcSpaceHeaterTypeEnum, 'FINNEDTUBEUNIT', INDETERMINATE)
-unitheater = getattr(IfcSpaceHeaterTypeEnum, 'UNITHEATER', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+sectionalradiator = express_getattr(IfcSpaceHeaterTypeEnum, 'SECTIONALRADIATOR', INDETERMINATE)
+panelradiator = express_getattr(IfcSpaceHeaterTypeEnum, 'PANELRADIATOR', INDETERMINATE)
+tubularradiator = express_getattr(IfcSpaceHeaterTypeEnum, 'TUBULARRADIATOR', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+baseboardheater = express_getattr(IfcSpaceHeaterTypeEnum, 'BASEBOARDHEATER', INDETERMINATE)
+finnedtubeunit = express_getattr(IfcSpaceHeaterTypeEnum, 'FINNEDTUBEUNIT', INDETERMINATE)
+unitheater = express_getattr(IfcSpaceHeaterTypeEnum, 'UNITHEATER', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSurfaceTextureEnum = enum_namespace()
-bump = getattr(IfcSurfaceTextureEnum, 'BUMP', INDETERMINATE)
-opacity = getattr(IfcSurfaceTextureEnum, 'OPACITY', INDETERMINATE)
-reflection = getattr(IfcSurfaceTextureEnum, 'REFLECTION', INDETERMINATE)
-selfillumination = getattr(IfcSurfaceTextureEnum, 'SELFILLUMINATION', INDETERMINATE)
-shininess = getattr(IfcSurfaceTextureEnum, 'SHININESS', INDETERMINATE)
-specular = getattr(IfcSurfaceTextureEnum, 'SPECULAR', INDETERMINATE)
-texture = getattr(IfcSurfaceTextureEnum, 'TEXTURE', INDETERMINATE)
-transparencymap = getattr(IfcSurfaceTextureEnum, 'TRANSPARENCYMAP', INDETERMINATE)
-notdefined = getattr(IfcSurfaceTextureEnum, 'NOTDEFINED', INDETERMINATE)
+bump = express_getattr(IfcSurfaceTextureEnum, 'BUMP', INDETERMINATE)
+opacity = express_getattr(IfcSurfaceTextureEnum, 'OPACITY', INDETERMINATE)
+reflection = express_getattr(IfcSurfaceTextureEnum, 'REFLECTION', INDETERMINATE)
+selfillumination = express_getattr(IfcSurfaceTextureEnum, 'SELFILLUMINATION', INDETERMINATE)
+shininess = express_getattr(IfcSurfaceTextureEnum, 'SHININESS', INDETERMINATE)
+specular = express_getattr(IfcSurfaceTextureEnum, 'SPECULAR', INDETERMINATE)
+texture = express_getattr(IfcSurfaceTextureEnum, 'TEXTURE', INDETERMINATE)
+transparencymap = express_getattr(IfcSurfaceTextureEnum, 'TRANSPARENCYMAP', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceTextureEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-preformed = getattr(IfcTankTypeEnum, 'PREFORMED', INDETERMINATE)
-sectional = getattr(IfcTankTypeEnum, 'SECTIONAL', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+preformed = express_getattr(IfcTankTypeEnum, 'PREFORMED', INDETERMINATE)
+sectional = express_getattr(IfcTankTypeEnum, 'SECTIONAL', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcThermalLoadSourceEnum = enum_namespace()
-people = getattr(IfcThermalLoadSourceEnum, 'PEOPLE', INDETERMINATE)
-lighting = getattr(IfcThermalLoadSourceEnum, 'LIGHTING', INDETERMINATE)
-equipment = getattr(IfcThermalLoadSourceEnum, 'EQUIPMENT', INDETERMINATE)
-ventilationindoorair = getattr(IfcThermalLoadSourceEnum, 'VENTILATIONINDOORAIR', INDETERMINATE)
-ventilationoutsideair = getattr(IfcThermalLoadSourceEnum, 'VENTILATIONOUTSIDEAIR', INDETERMINATE)
-recirculatedair = getattr(IfcThermalLoadSourceEnum, 'RECIRCULATEDAIR', INDETERMINATE)
-exhaustair = getattr(IfcThermalLoadSourceEnum, 'EXHAUSTAIR', INDETERMINATE)
-airexchangerate = getattr(IfcThermalLoadSourceEnum, 'AIREXCHANGERATE', INDETERMINATE)
-drybulbtemperature = getattr(IfcThermalLoadSourceEnum, 'DRYBULBTEMPERATURE', INDETERMINATE)
-relativehumidity = getattr(IfcThermalLoadSourceEnum, 'RELATIVEHUMIDITY', INDETERMINATE)
-infiltration = getattr(IfcThermalLoadSourceEnum, 'INFILTRATION', INDETERMINATE)
-userdefined = getattr(IfcThermalLoadSourceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcThermalLoadSourceEnum, 'NOTDEFINED', INDETERMINATE)
+people = express_getattr(IfcThermalLoadSourceEnum, 'PEOPLE', INDETERMINATE)
+lighting = express_getattr(IfcThermalLoadSourceEnum, 'LIGHTING', INDETERMINATE)
+equipment = express_getattr(IfcThermalLoadSourceEnum, 'EQUIPMENT', INDETERMINATE)
+ventilationindoorair = express_getattr(IfcThermalLoadSourceEnum, 'VENTILATIONINDOORAIR', INDETERMINATE)
+ventilationoutsideair = express_getattr(IfcThermalLoadSourceEnum, 'VENTILATIONOUTSIDEAIR', INDETERMINATE)
+recirculatedair = express_getattr(IfcThermalLoadSourceEnum, 'RECIRCULATEDAIR', INDETERMINATE)
+exhaustair = express_getattr(IfcThermalLoadSourceEnum, 'EXHAUSTAIR', INDETERMINATE)
+airexchangerate = express_getattr(IfcThermalLoadSourceEnum, 'AIREXCHANGERATE', INDETERMINATE)
+drybulbtemperature = express_getattr(IfcThermalLoadSourceEnum, 'DRYBULBTEMPERATURE', INDETERMINATE)
+relativehumidity = express_getattr(IfcThermalLoadSourceEnum, 'RELATIVEHUMIDITY', INDETERMINATE)
+infiltration = express_getattr(IfcThermalLoadSourceEnum, 'INFILTRATION', INDETERMINATE)
+userdefined = express_getattr(IfcThermalLoadSourceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcThermalLoadSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcThermalLoadTypeEnum = enum_namespace()
-sensible = getattr(IfcThermalLoadTypeEnum, 'SENSIBLE', INDETERMINATE)
-latent = getattr(IfcThermalLoadTypeEnum, 'LATENT', INDETERMINATE)
-radiant = getattr(IfcThermalLoadTypeEnum, 'RADIANT', INDETERMINATE)
-notdefined = getattr(IfcThermalLoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
+sensible = express_getattr(IfcThermalLoadTypeEnum, 'SENSIBLE', INDETERMINATE)
+latent = express_getattr(IfcThermalLoadTypeEnum, 'LATENT', INDETERMINATE)
+radiant = express_getattr(IfcThermalLoadTypeEnum, 'RADIANT', INDETERMINATE)
+notdefined = express_getattr(IfcThermalLoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTimeSeriesScheduleTypeEnum = enum_namespace()
-annual = getattr(IfcTimeSeriesScheduleTypeEnum, 'ANNUAL', INDETERMINATE)
-monthly = getattr(IfcTimeSeriesScheduleTypeEnum, 'MONTHLY', INDETERMINATE)
-weekly = getattr(IfcTimeSeriesScheduleTypeEnum, 'WEEKLY', INDETERMINATE)
-daily = getattr(IfcTimeSeriesScheduleTypeEnum, 'DAILY', INDETERMINATE)
-userdefined = getattr(IfcTimeSeriesScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+annual = express_getattr(IfcTimeSeriesScheduleTypeEnum, 'ANNUAL', INDETERMINATE)
+monthly = express_getattr(IfcTimeSeriesScheduleTypeEnum, 'MONTHLY', INDETERMINATE)
+weekly = express_getattr(IfcTimeSeriesScheduleTypeEnum, 'WEEKLY', INDETERMINATE)
+daily = express_getattr(IfcTimeSeriesScheduleTypeEnum, 'DAILY', INDETERMINATE)
+userdefined = express_getattr(IfcTimeSeriesScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-greaseinterceptor = getattr(IfcWasteTerminalTypeEnum, 'GREASEINTERCEPTOR', INDETERMINATE)
-oilinterceptor = getattr(IfcWasteTerminalTypeEnum, 'OILINTERCEPTOR', INDETERMINATE)
-petrolinterceptor = getattr(IfcWasteTerminalTypeEnum, 'PETROLINTERCEPTOR', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+greaseinterceptor = express_getattr(IfcWasteTerminalTypeEnum, 'GREASEINTERCEPTOR', INDETERMINATE)
+oilinterceptor = express_getattr(IfcWasteTerminalTypeEnum, 'OILINTERCEPTOR', INDETERMINATE)
+petrolinterceptor = express_getattr(IfcWasteTerminalTypeEnum, 'PETROLINTERCEPTOR', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkControlTypeEnum = enum_namespace()
-actual = getattr(IfcWorkControlTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkControlTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkControlTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkControlTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkControlTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkControlTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC2X3')
 
 def Ifc2DCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('Ifc2DCompositeCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('Ifc2DCompositeCurve', *args, **kwargs)
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAngularDimension(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAngularDimension', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAngularDimension', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationCurveOccurrence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationCurveOccurrence', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationCurveOccurrence', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcAnnotationFillAreaOccurrence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillAreaOccurrence', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillAreaOccurrence', *args, **kwargs)
 
 def IfcAnnotationOccurrence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationOccurrence', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationOccurrence', *args, **kwargs)
 
 def IfcAnnotationSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationSurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationSurface', *args, **kwargs)
 
 def IfcAnnotationSurfaceOccurrence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationSurfaceOccurrence', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationSurfaceOccurrence', *args, **kwargs)
 
 def IfcAnnotationSymbolOccurrence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationSymbolOccurrence', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationSymbolOccurrence', *args, **kwargs)
 
 def IfcAnnotationTextOccurrence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationTextOccurrence', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationTextOccurrence', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcAppliedValueRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValueRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValueRelationship', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalActorRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalActorRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalActorRelationship', *args, **kwargs)
 
 def IfcApprovalPropertyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalPropertyRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalPropertyRelationship', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBezierCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBezierCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBezierCurve', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElement', *args, **kwargs)
 
 def IfcBuildingElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementComponent', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementComponent', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCalendarDate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCalendarDate', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCalendarDate', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChamferEdgeFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChamferEdgeFeature', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcChamferEdgeFeature', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationItem', *args, **kwargs)
 
 def IfcClassificationItemRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationItemRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationItemRelationship', *args, **kwargs)
 
 def IfcClassificationNotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationNotation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationNotation', *args, **kwargs)
 
 def IfcClassificationNotationFacet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationNotationFacet', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationNotationFacet', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCondition', *args, **kwargs)
 
 def IfcConditionCriterion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConditionCriterion', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConditionCriterion', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionPortGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPortGeometry', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPortGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstraintAggregationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraintAggregationRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraintAggregationRelationship', *args, **kwargs)
 
 def IfcConstraintClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraintClassificationRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraintClassificationRelationship', *args, **kwargs)
 
 def IfcConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraintRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraintRelationship', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinatedUniversalTimeOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinatedUniversalTimeOffset', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinatedUniversalTimeOffset', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCraneRailAShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCraneRailAShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCraneRailAShapeProfileDef', *args, **kwargs)
 
 def IfcCraneRailFShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCraneRailFShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCraneRailFShapeProfileDef', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDateAndTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDateAndTime', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDateAndTime', *args, **kwargs)
 
 def IfcDefinedSymbol(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDefinedSymbol', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDefinedSymbol', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDiameterDimension(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiameterDimension', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDiameterDimension', *args, **kwargs)
 
 def IfcDimensionCalloutRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionCalloutRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionCalloutRelationship', *args, **kwargs)
 
 def IfcDimensionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionCurve', *args, **kwargs)
 
 def IfcDimensionCurveDirectedCallout(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionCurveDirectedCallout', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionCurveDirectedCallout', *args, **kwargs)
 
 def IfcDimensionCurveTerminator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionCurveTerminator', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionCurveTerminator', *args, **kwargs)
 
 def IfcDimensionPair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionPair', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionPair', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDocumentElectronicFormat(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentElectronicFormat', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentElectronicFormat', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDraughtingCallout(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingCallout', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingCallout', *args, **kwargs)
 
 def IfcDraughtingCalloutRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingCalloutRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingCalloutRelationship', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDraughtingPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedTextFont', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedTextFont', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeFeature', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeFeature', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionPoint', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionPoint', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricHeaterType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricHeaterType', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElectricalBaseProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricalBaseProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricalBaseProperties', *args, **kwargs)
 
 def IfcElectricalCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricalCircuit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricalCircuit', *args, **kwargs)
 
 def IfcElectricalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricalElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricalElement', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEnergyProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyProperties', *args, **kwargs)
 
 def IfcEnvironmentalImpactValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnvironmentalImpactValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnvironmentalImpactValue', *args, **kwargs)
 
 def IfcEquipmentElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEquipmentElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEquipmentElement', *args, **kwargs)
 
 def IfcEquipmentStandard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEquipmentStandard', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEquipmentStandard', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcExtendedMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedMaterialProperties', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSymbol(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSymbol', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSymbol', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTileSymbolWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTileSymbolWithStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTileSymbolWithStyle', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFluidFlowProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFluidFlowProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFluidFlowProperties', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFuelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFuelProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFuelProperties', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurnitureStandard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureStandard', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureStandard', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGasTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGasTerminalType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGasTerminalType', *args, **kwargs)
 
 def IfcGeneralMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeneralMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeneralMaterialProperties', *args, **kwargs)
 
 def IfcGeneralProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeneralProfileProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeneralProfileProperties', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcHygroscopicMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHygroscopicMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHygroscopicMaterialProperties', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLinearDimension(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearDimension', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearDimension', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLocalTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalTime', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalTime', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalConcreteMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalConcreteMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalConcreteMaterialProperties', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMechanicalMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalMaterialProperties', *args, **kwargs)
 
 def IfcMechanicalSteelMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalSteelMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalSteelMaterialProperties', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcMove(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMove', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMove', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOneDirectionRepeatFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOneDirectionRepeatFactor', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOneDirectionRepeatFactor', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpticalMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpticalMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpticalMaterialProperties', *args, **kwargs)
 
 def IfcOrderAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrderAction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrderAction', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedDimensionSymbol(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedDimensionSymbol', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedDimensionSymbol', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedPointMarkerSymbol(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPointMarkerSymbol', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPointMarkerSymbol', *args, **kwargs)
 
 def IfcPreDefinedSymbol(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedSymbol', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedSymbol', *args, **kwargs)
 
 def IfcPreDefinedTerminatorSymbol(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTerminatorSymbol', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTerminatorSymbol', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcPresentationStyleAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyleAssignment', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyleAssignment', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProductsOfCombustionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductsOfCombustionProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProductsOfCombustionProperties', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectOrderRecord(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrderRecord', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrderRecord', *args, **kwargs)
 
 def IfcProjectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionCurve', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyConstraintRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyConstraintRelationship', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRadiusDimension(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRadiusDimension', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRadiusDimension', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRationalBezierCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBezierCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBezierCurve', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcReferencesValueDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferencesValueDocument', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReferencesValueDocument', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsTasks(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsTasks', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsTasks', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProjectOrder', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProjectOrder', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesAppliedValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesAppliedValue', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileProperties', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralElement', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInteractionRequirements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInteractionRequirements', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInteractionRequirements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelOccupiesSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelOccupiesSpaces', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelOccupiesSpaces', *args, **kwargs)
 
 def IfcRelOverridesProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelOverridesProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelOverridesProperties', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSchedulesCostItems(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSchedulesCostItems', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSchedulesCostItems', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcRelaxation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelaxation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelaxation', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRibPlateProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRibPlateProfileProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRibPlateProfileProperties', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedEdgeFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedEdgeFeature', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedEdgeFeature', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcScheduleTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcScheduleTimeControl', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcScheduleTimeControl', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcServiceLife(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcServiceLife', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcServiceLife', *args, **kwargs)
 
 def IfcServiceLifeFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcServiceLifeFactor', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcServiceLifeFactor', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSoundProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSoundProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSoundProperties', *args, **kwargs)
 
 def IfcSoundValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSoundValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSoundValue', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceProgram(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceProgram', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceProgram', *args, **kwargs)
 
 def IfcSpaceThermalLoadProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceThermalLoadProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceThermalLoadProperties', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLinearActionVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearActionVarying', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearActionVarying', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPlanarActionVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarActionVarying', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarActionVarying', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralProfileProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralProfileProperties', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSteelProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSteelProfileProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSteelProfileProperties', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuredDimensionCallout(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuredDimensionCallout', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuredDimensionCallout', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSymbolStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSymbolStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSymbolStyle', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTerminatorSymbol(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTerminatorSymbol', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTerminatorSymbol', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextStyleWithBoxCharacteristics(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleWithBoxCharacteristics', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleWithBoxCharacteristics', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcThermalMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcThermalMaterialProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcThermalMaterialProperties', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesReferenceRelationship', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesReferenceRelationship', *args, **kwargs)
 
 def IfcTimeSeriesSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesSchedule', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesSchedule', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTwoDirectionRepeatFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTwoDirectionRepeatFactor', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTwoDirectionRepeatFactor', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexBasedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexBasedTextureMap', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexBasedTextureMap', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWaterProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWaterProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWaterProperties', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC2X3', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -3582,7 +3590,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCompoundPlaneAngleMeasure_WR1:
     SCOPE = 'type'
@@ -3645,7 +3653,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -3654,7 +3662,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -3663,7 +3671,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -3771,7 +3779,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -3780,7 +3788,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -3789,7 +3797,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class Ifc2DCompositeCurve_WR1:
     SCOPE = 'entity'
@@ -3798,7 +3806,7 @@ class Ifc2DCompositeCurve_WR1:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 class Ifc2DCompositeCurve_WR2:
     SCOPE = 'entity'
@@ -3807,7 +3815,7 @@ class Ifc2DCompositeCurve_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -3816,8 +3824,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -3826,8 +3834,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAirTerminalBoxType_WR1:
     SCOPE = 'entity'
@@ -3836,8 +3844,8 @@ class IfcAirTerminalBoxType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_WR1:
     SCOPE = 'entity'
@@ -3846,8 +3854,8 @@ class IfcAirTerminalType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecoveryType_WR1:
     SCOPE = 'entity'
@@ -3856,8 +3864,8 @@ class IfcAirToAirHeatRecoveryType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAnnotationCurveOccurrence_WR31:
     SCOPE = 'entity'
@@ -3866,7 +3874,7 @@ class IfcAnnotationCurveOccurrence_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifccurve' in typeof(getattr(self, 'Item', INDETERMINATE))) is not False
+        assert (not exists(express_getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifccurve' in typeof(express_getattr(self, 'Item', INDETERMINATE))) is not False
 
 class IfcAnnotationFillAreaOccurrence_WR31:
     SCOPE = 'entity'
@@ -3875,7 +3883,7 @@ class IfcAnnotationFillAreaOccurrence_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifcannotationfillarea' in typeof(getattr(self, 'Item', INDETERMINATE))) is not False
+        assert (not exists(express_getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifcannotationfillarea' in typeof(express_getattr(self, 'Item', INDETERMINATE))) is not False
 
 class IfcAnnotationSurface_WR01:
     SCOPE = 'entity'
@@ -3884,7 +3892,7 @@ class IfcAnnotationSurface_WR01:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (sizeof(['ifc2x3.ifcsurface', 'ifc2x3.ifcshellbasedsurfacemodel', 'ifc2x3.ifcfacebasedsurfacemodel', 'ifc2x3.ifcsolidmodel', 'ifc2x3.ifcbooleanresult', 'ifc2x3.ifccsgprimitive3d'] * typeof(item)) >= 1) is not False
 
 class IfcAnnotationSurfaceOccurrence_WR31:
@@ -3894,7 +3902,7 @@ class IfcAnnotationSurfaceOccurrence_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Item', INDETERMINATE)) or sizeof(['ifc2x3.ifcsurface', 'ifc2x3.ifcfacebasedsurfacemodel', 'ifc2x3.ifcshellbasedsurfacemodel', 'ifc2x3.ifcsolidmodel'] * typeof(getattr(self, 'Item', INDETERMINATE))) > 0) is not False
+        assert (not exists(express_getattr(self, 'Item', INDETERMINATE)) or sizeof(['ifc2x3.ifcsurface', 'ifc2x3.ifcfacebasedsurfacemodel', 'ifc2x3.ifcshellbasedsurfacemodel', 'ifc2x3.ifcsolidmodel'] * typeof(express_getattr(self, 'Item', INDETERMINATE))) > 0) is not False
 
 class IfcAnnotationSymbolOccurrence_WR31:
     SCOPE = 'entity'
@@ -3903,7 +3911,7 @@ class IfcAnnotationSymbolOccurrence_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifcdefinedsymbol' in typeof(getattr(self, 'Item', INDETERMINATE))) is not False
+        assert (not exists(express_getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifcdefinedsymbol' in typeof(express_getattr(self, 'Item', INDETERMINATE))) is not False
 
 class IfcAnnotationTextOccurrence_WR31:
     SCOPE = 'entity'
@@ -3912,7 +3920,7 @@ class IfcAnnotationTextOccurrence_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifctextliteral' in typeof(getattr(self, 'Item', INDETERMINATE))) is not False
+        assert (not exists(express_getattr(self, 'Item', INDETERMINATE)) or 'ifc2x3.ifctextliteral' in typeof(express_getattr(self, 'Item', INDETERMINATE))) is not False
 
 class IfcAppliedValue_WR1:
     SCOPE = 'entity'
@@ -3921,8 +3929,8 @@ class IfcAppliedValue_WR1:
 
     @staticmethod
     def __call__(self):
-        appliedvalue = getattr(self, 'AppliedValue', INDETERMINATE)
-        valueofcomponents = getattr(self, 'ValueOfComponents', INDETERMINATE)
+        appliedvalue = express_getattr(self, 'AppliedValue', INDETERMINATE)
+        valueofcomponents = express_getattr(self, 'ValueOfComponents', INDETERMINATE)
         assert (exists(appliedvalue) or exists(valueofcomponents)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -3932,8 +3940,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -3942,7 +3950,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc2x3.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -3952,7 +3960,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc2x3.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -3962,7 +3970,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc2x3.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc2x3.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -3971,8 +3979,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -3981,7 +3989,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -3990,8 +3998,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -4000,7 +4008,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc2x3.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsset_WR1:
@@ -4010,7 +4018,7 @@ class IfcAsset_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(getattr(self, 'IsGroupedBy', INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifcelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifcelement' in typeof(temp)]) == 0) is not False
 
 class IfcAxis1Placement_WR1:
     SCOPE = 'entity'
@@ -4019,8 +4027,8 @@ class IfcAxis1Placement_WR1:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_WR2:
     SCOPE = 'entity'
@@ -4029,10 +4037,10 @@ class IfcAxis1Placement_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_WR1:
@@ -4042,8 +4050,8 @@ class IfcAxis2Placement2D_WR1:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_WR2:
     SCOPE = 'entity'
@@ -4052,10 +4060,10 @@ class IfcAxis2Placement2D_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_WR1:
@@ -4065,7 +4073,7 @@ class IfcAxis2Placement3D_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_WR2:
     SCOPE = 'entity'
@@ -4074,8 +4082,8 @@ class IfcAxis2Placement3D_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_WR3:
     SCOPE = 'entity'
@@ -4084,8 +4092,8 @@ class IfcAxis2Placement3D_WR3:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_WR4:
     SCOPE = 'entity'
@@ -4094,9 +4102,9 @@ class IfcAxis2Placement3D_WR4:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_WR5:
     SCOPE = 'entity'
@@ -4105,13 +4113,13 @@ class IfcAxis2Placement3D_WR5:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcBSplineCurve_WR41:
@@ -4121,16 +4129,16 @@ class IfcBSplineCurve_WR41:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 class IfcBlobTexture_WR11:
@@ -4140,7 +4148,7 @@ class IfcBlobTexture_WR11:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBoilerType_WR1:
     SCOPE = 'entity'
@@ -4149,8 +4157,8 @@ class IfcBoilerType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_WR1:
     SCOPE = 'entity'
@@ -4159,7 +4167,7 @@ class IfcBooleanClippingResult_WR1:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc2x3.ifcsweptareasolid' in typeof(firstoperand) or 'ifc2x3.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_WR2:
@@ -4169,7 +4177,7 @@ class IfcBooleanClippingResult_WR2:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc2x3.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_WR3:
@@ -4179,7 +4187,7 @@ class IfcBooleanClippingResult_WR3:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_WR1:
@@ -4189,13 +4197,13 @@ class IfcBooleanResult_WR1:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -4207,7 +4215,7 @@ class IfcBoxedHalfSpace_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc2x3.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc2x3.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxy_WR1:
     SCOPE = 'entity'
@@ -4216,7 +4224,7 @@ class IfcBuildingElementProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcCShapeProfileDef_WR1:
     SCOPE = 'entity'
@@ -4225,8 +4233,8 @@ class IfcCShapeProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_WR2:
@@ -4236,9 +4244,9 @@ class IfcCShapeProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 and internalfilletradius <= depth / 2.0)) is not False
 
 class IfcCShapeProfileDef_WR3:
@@ -4248,9 +4256,9 @@ class IfcCShapeProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFittingType_WR1:
@@ -4260,8 +4268,8 @@ class IfcCableCarrierFittingType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCalendarDate_WR21:
     SCOPE = 'entity'
@@ -4279,11 +4287,11 @@ class IfcCartesianPoint_WR1:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 class IfcCartesianTransformationOperator_WR1:
@@ -4293,16 +4301,16 @@ class IfcCartesianTransformationOperator_WR1:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_WR1:
     SCOPE = 'entity'
@@ -4311,7 +4319,7 @@ class IfcCartesianTransformationOperator2D_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_WR2:
     SCOPE = 'entity'
@@ -4320,7 +4328,7 @@ class IfcCartesianTransformationOperator2D_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_WR3:
     SCOPE = 'entity'
@@ -4329,10 +4337,10 @@ class IfcCartesianTransformationOperator2D_WR3:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_WR1:
     SCOPE = 'entity'
@@ -4341,12 +4349,12 @@ class IfcCartesianTransformationOperator2DnonUniform_WR1:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_WR1:
     SCOPE = 'entity'
@@ -4355,7 +4363,7 @@ class IfcCartesianTransformationOperator3D_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_WR2:
     SCOPE = 'entity'
@@ -4364,7 +4372,7 @@ class IfcCartesianTransformationOperator3D_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_WR3:
     SCOPE = 'entity'
@@ -4373,7 +4381,7 @@ class IfcCartesianTransformationOperator3D_WR3:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_WR4:
     SCOPE = 'entity'
@@ -4382,12 +4390,12 @@ class IfcCartesianTransformationOperator3D_WR4:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_WR1:
     SCOPE = 'entity'
@@ -4396,7 +4404,7 @@ class IfcCartesianTransformationOperator3DnonUniform_WR1:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_WR2:
@@ -4406,16 +4414,16 @@ class IfcCartesianTransformationOperator3DnonUniform_WR2:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChillerType_WR1:
     SCOPE = 'entity'
@@ -4424,8 +4432,8 @@ class IfcChillerType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -4434,8 +4442,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoilType_WR1:
     SCOPE = 'entity'
@@ -4444,8 +4452,8 @@ class IfcCoilType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -4454,7 +4462,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -4464,7 +4472,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcCompositeCurve_WR41:
@@ -4474,9 +4482,9 @@ class IfcCompositeCurve_WR41:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_WR42:
     SCOPE = 'entity'
@@ -4485,17 +4493,17 @@ class IfcCompositeCurve_WR42:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveSegment_WR1:
     SCOPE = 'entity'
@@ -4504,12 +4512,12 @@ class IfcCompositeCurveSegment_WR1:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc2x3.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_WR1:
     SCOPE = 'entity'
@@ -4518,8 +4526,8 @@ class IfcCompositeProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_WR2:
     SCOPE = 'entity'
@@ -4528,7 +4536,7 @@ class IfcCompositeProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc2x3.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressorType_WR1:
@@ -4538,8 +4546,8 @@ class IfcCompressorType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenserType_WR1:
     SCOPE = 'entity'
@@ -4548,8 +4556,8 @@ class IfcCondenserType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConditionCriterion_WR1:
     SCOPE = 'entity'
@@ -4558,7 +4566,7 @@ class IfcConditionCriterion_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -4567,8 +4575,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstraintAggregationRelationship_WR11:
     SCOPE = 'entity'
@@ -4577,8 +4585,8 @@ class IfcConstraintAggregationRelationship_WR11:
 
     @staticmethod
     def __call__(self):
-        relatingconstraint = getattr(self, 'RelatingConstraint', INDETERMINATE)
-        relatedconstraints = getattr(self, 'RelatedConstraints', INDETERMINATE)
+        relatingconstraint = express_getattr(self, 'RelatingConstraint', INDETERMINATE)
+        relatedconstraints = express_getattr(self, 'RelatedConstraints', INDETERMINATE)
         assert (sizeof([temp for temp in relatedconstraints if temp == relatingconstraint]) == 0) is not False
 
 class IfcConstraintRelationship_WR11:
@@ -4588,8 +4596,8 @@ class IfcConstraintRelationship_WR11:
 
     @staticmethod
     def __call__(self):
-        relatingconstraint = getattr(self, 'RelatingConstraint', INDETERMINATE)
-        relatedconstraints = getattr(self, 'RelatedConstraints', INDETERMINATE)
+        relatingconstraint = express_getattr(self, 'RelatingConstraint', INDETERMINATE)
+        relatedconstraints = express_getattr(self, 'RelatedConstraints', INDETERMINATE)
         assert (sizeof([temp for temp in relatedconstraints if temp == relatingconstraint]) == 0) is not False
 
 class IfcConstructionMaterialResource_WR1:
@@ -4599,7 +4607,7 @@ class IfcConstructionMaterialResource_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'ResourceOf', INDETERMINATE)) <= 1) is not False
+        assert (sizeof(express_getattr(self, 'ResourceOf', INDETERMINATE)) <= 1) is not False
 
 class IfcConstructionMaterialResource_WR2:
     SCOPE = 'entity'
@@ -4608,7 +4616,7 @@ class IfcConstructionMaterialResource_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or getattr(express_getitem(getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjectsType', INDETERMINATE) == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or express_getattr(express_getitem(express_getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjectsType', INDETERMINATE) == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)) is not False
 
 class IfcConstructionProductResource_WR1:
     SCOPE = 'entity'
@@ -4617,7 +4625,7 @@ class IfcConstructionProductResource_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'ResourceOf', INDETERMINATE)) <= 1) is not False
+        assert (sizeof(express_getattr(self, 'ResourceOf', INDETERMINATE)) <= 1) is not False
 
 class IfcConstructionProductResource_WR2:
     SCOPE = 'entity'
@@ -4626,7 +4634,7 @@ class IfcConstructionProductResource_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or getattr(express_getitem(getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjectsType', INDETERMINATE) == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or express_getattr(express_getitem(express_getattr(self, 'ResourceOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjectsType', INDETERMINATE) == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)) is not False
 
 class IfcCooledBeamType_WR1:
     SCOPE = 'entity'
@@ -4635,8 +4643,8 @@ class IfcCooledBeamType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTowerType_WR1:
     SCOPE = 'entity'
@@ -4645,8 +4653,8 @@ class IfcCoolingTowerType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_WR61:
     SCOPE = 'entity'
@@ -4655,8 +4663,8 @@ class IfcCovering_WR61:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -4665,8 +4673,8 @@ def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
 
 def calc_IfcCurveBoundedPlane_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcCurveStyle_WR11:
     SCOPE = 'entity'
@@ -4675,7 +4683,7 @@ class IfcCurveStyle_WR11:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc2x3.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc2x3.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyleFontPattern_WR01:
@@ -4685,7 +4693,7 @@ class IfcCurveStyleFontPattern_WR01:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamperType_WR1:
@@ -4695,8 +4703,8 @@ class IfcDamperType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDerivedProfileDef_WR1:
     SCOPE = 'entity'
@@ -4705,8 +4713,8 @@ class IfcDerivedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -4715,8 +4723,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -4725,11 +4733,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDimensionCalloutRelationship_WR11:
@@ -4739,7 +4747,7 @@ class IfcDimensionCalloutRelationship_WR11:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['primary', 'secondary']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['primary', 'secondary']) is not False
 
 class IfcDimensionCalloutRelationship_WR12:
     SCOPE = 'entity'
@@ -4748,7 +4756,7 @@ class IfcDimensionCalloutRelationship_WR12:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(typeof(getattr(self, 'RelatingDraughtingCallout', INDETERMINATE)) * ['ifc2x3.ifcangulardimension', 'ifc2x3.ifcdiameterdimension', 'ifc2x3.ifclineardimension', 'ifc2x3.ifcradiusdimension']) == 1) is not False
+        assert (sizeof(typeof(express_getattr(self, 'RelatingDraughtingCallout', INDETERMINATE)) * ['ifc2x3.ifcangulardimension', 'ifc2x3.ifcdiameterdimension', 'ifc2x3.ifclineardimension', 'ifc2x3.ifcradiusdimension']) == 1) is not False
 
 class IfcDimensionCalloutRelationship_WR13:
     SCOPE = 'entity'
@@ -4757,7 +4765,7 @@ class IfcDimensionCalloutRelationship_WR13:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc2x3.ifcdimensioncurvedirectedcallout' in typeof(getattr(self, 'RelatedDraughtingCallout', INDETERMINATE))) is not False
+        assert (not 'ifc2x3.ifcdimensioncurvedirectedcallout' in typeof(express_getattr(self, 'RelatedDraughtingCallout', INDETERMINATE))) is not False
 
 class IfcDimensionCurve_WR51:
     SCOPE = 'entity'
@@ -4775,7 +4783,7 @@ class IfcDimensionCurve_WR52:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([dct1 for dct1 in usedin(self, 'ifc2x3.' + 'ifcterminatorsymbol.annotatedcurve') if getattr(dct1, 'Role', INDETERMINATE) == getattr(IfcDimensionExtentUsage, 'ORIGIN', INDETERMINATE)]) <= 1 and sizeof([dct2 for dct2 in usedin(self, 'ifc2x3.' + 'ifcterminatorsymbol.annotatedcurve') if getattr(dct2, 'Role', INDETERMINATE) == getattr(IfcDimensionExtentUsage, 'TARGET', INDETERMINATE)]) <= 1) is not False
+        assert (sizeof([dct1 for dct1 in usedin(self, 'ifc2x3.' + 'ifcterminatorsymbol.annotatedcurve') if express_getattr(dct1, 'Role', INDETERMINATE) == express_getattr(IfcDimensionExtentUsage, 'ORIGIN', INDETERMINATE)]) <= 1 and sizeof([dct2 for dct2 in usedin(self, 'ifc2x3.' + 'ifcterminatorsymbol.annotatedcurve') if express_getattr(dct2, 'Role', INDETERMINATE) == express_getattr(IfcDimensionExtentUsage, 'TARGET', INDETERMINATE)]) <= 1) is not False
 
 class IfcDimensionCurve_WR53:
     SCOPE = 'entity'
@@ -4784,7 +4792,7 @@ class IfcDimensionCurve_WR53:
 
     @staticmethod
     def __call__(self):
-        annotatedbysymbols = getattr(self, 'AnnotatedBySymbols', INDETERMINATE)
+        annotatedbysymbols = express_getattr(self, 'AnnotatedBySymbols', INDETERMINATE)
         assert (sizeof([dct for dct in annotatedbysymbols if not 'ifc2x3.ifcdimensioncurveterminator' in typeof(dct)]) == 0) is not False
 
 class IfcDimensionCurveDirectedCallout_WR41:
@@ -4794,7 +4802,7 @@ class IfcDimensionCurveDirectedCallout_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([dc for dc in getattr(self, 'Contents', INDETERMINATE) if 'ifc2x3.ifcdimensioncurve' in typeof(dc)]) == 1) is not False
+        assert (sizeof([dc for dc in express_getattr(self, 'Contents', INDETERMINATE) if 'ifc2x3.ifcdimensioncurve' in typeof(dc)]) == 1) is not False
 
 class IfcDimensionCurveDirectedCallout_WR42:
     SCOPE = 'entity'
@@ -4803,8 +4811,8 @@ class IfcDimensionCurveDirectedCallout_WR42:
 
     @staticmethod
     def __call__(self):
-        contents = getattr(self, 'Contents', INDETERMINATE)
-        assert (sizeof([dc for dc in getattr(self, 'contents', INDETERMINATE) if 'ifc2x3.ifcprojectioncurve' in typeof(dc)]) <= 2) is not False
+        contents = express_getattr(self, 'Contents', INDETERMINATE)
+        assert (sizeof([dc for dc in express_getattr(self, 'contents', INDETERMINATE) if 'ifc2x3.ifcprojectioncurve' in typeof(dc)]) <= 2) is not False
 
 class IfcDimensionCurveTerminator_WR61:
     SCOPE = 'entity'
@@ -4813,7 +4821,7 @@ class IfcDimensionCurveTerminator_WR61:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc2x3.ifcdimensioncurve' in typeof(getattr(self, 'AnnotatedCurve', INDETERMINATE))) is not False
+        assert ('ifc2x3.ifcdimensioncurve' in typeof(express_getattr(self, 'AnnotatedCurve', INDETERMINATE))) is not False
 
 class IfcDimensionPair_WR11:
     SCOPE = 'entity'
@@ -4822,7 +4830,7 @@ class IfcDimensionPair_WR11:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['chained', 'parallel']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['chained', 'parallel']) is not False
 
 class IfcDimensionPair_WR12:
     SCOPE = 'entity'
@@ -4831,7 +4839,7 @@ class IfcDimensionPair_WR12:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(typeof(getattr(self, 'RelatingDraughtingCallout', INDETERMINATE)) * ['ifc2x3.ifcangulardimension', 'ifc2x3.ifcdiameterdimension', 'ifc2x3.ifclineardimension', 'ifc2x3.ifcradiusdimension']) == 1) is not False
+        assert (sizeof(typeof(express_getattr(self, 'RelatingDraughtingCallout', INDETERMINATE)) * ['ifc2x3.ifcangulardimension', 'ifc2x3.ifcdiameterdimension', 'ifc2x3.ifclineardimension', 'ifc2x3.ifcradiusdimension']) == 1) is not False
 
 class IfcDimensionPair_WR13:
     SCOPE = 'entity'
@@ -4840,10 +4848,10 @@ class IfcDimensionPair_WR13:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(typeof(getattr(self, 'RelatedDraughtingCallout', INDETERMINATE)) * ['ifc2x3.ifcangulardimension', 'ifc2x3.ifcdiameterdimension', 'ifc2x3.ifclineardimension', 'ifc2x3.ifcradiusdimension']) == 1) is not False
+        assert (sizeof(typeof(express_getattr(self, 'RelatedDraughtingCallout', INDETERMINATE)) * ['ifc2x3.ifcangulardimension', 'ifc2x3.ifcdiameterdimension', 'ifc2x3.ifclineardimension', 'ifc2x3.ifcradiusdimension']) == 1) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDocumentElectronicFormat_WR1:
@@ -4853,8 +4861,8 @@ class IfcDocumentElectronicFormat_WR1:
 
     @staticmethod
     def __call__(self):
-        fileextension = getattr(self, 'FileExtension', INDETERMINATE)
-        mimecontenttype = getattr(self, 'MimeContentType', INDETERMINATE)
+        fileextension = express_getattr(self, 'FileExtension', INDETERMINATE)
+        mimecontenttype = express_getattr(self, 'MimeContentType', INDETERMINATE)
         assert (exists(fileextension) or exists(mimecontenttype)) is not False
 
 class IfcDocumentReference_WR1:
@@ -4864,8 +4872,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referencetodocument = getattr(self, 'ReferenceToDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referencetodocument = express_getattr(self, 'ReferenceToDocument', INDETERMINATE)
         assert exists(name) ^ exists(lambda : express_getitem(referencetodocument, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) is not False
 
 class IfcDoorLiningProperties_WR31:
@@ -4875,8 +4883,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (not exists(liningdepth) and exists(liningthickness))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -4886,8 +4894,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (not exists(thresholddepth) and exists(thresholdthickness))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -4897,8 +4905,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -4908,8 +4916,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -4919,7 +4927,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc2x3.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc2x3.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDoorPanelProperties_WR31:
     SCOPE = 'entity'
@@ -4928,7 +4936,7 @@ class IfcDoorPanelProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc2x3.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc2x3.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDraughtingPreDefinedColour_WR31:
     SCOPE = 'entity'
@@ -4937,7 +4945,7 @@ class IfcDraughtingPreDefinedColour_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_WR31:
     SCOPE = 'entity'
@@ -4946,7 +4954,7 @@ class IfcDraughtingPreDefinedCurveFont_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedTextFont_WR31:
     SCOPE = 'entity'
@@ -4955,7 +4963,7 @@ class IfcDraughtingPreDefinedTextFont_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['iso3098-1fonta', 'iso3098-1fontb']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['iso3098-1fonta', 'iso3098-1fontb']) is not False
 
 class IfcDuctFittingType_WR2:
     SCOPE = 'entity'
@@ -4964,8 +4972,8 @@ class IfcDuctFittingType_WR2:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegmentType_WR1:
     SCOPE = 'entity'
@@ -4974,8 +4982,8 @@ class IfcDuctSegmentType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencerType_WR1:
     SCOPE = 'entity'
@@ -4984,8 +4992,8 @@ class IfcDuctSilencerType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_WR1:
     SCOPE = 'entity'
@@ -4994,9 +5002,9 @@ class IfcEdgeLoop_WR1:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_WR2:
     SCOPE = 'entity'
@@ -5008,7 +5016,7 @@ class IfcEdgeLoop_WR2:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricDistributionPoint_WR31:
@@ -5018,8 +5026,8 @@ class IfcElectricDistributionPoint_WR31:
 
     @staticmethod
     def __call__(self):
-        distributionpointfunction = getattr(self, 'DistributionPointFunction', INDETERMINATE)
-        assert (distributionpointfunction != getattr(IfcElectricDistributionPointFunctionEnum, 'USERDEFINED', INDETERMINATE) or (distributionpointfunction == getattr(IfcElectricDistributionPointFunctionEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedFunction', INDETERMINATE)))) is not False
+        distributionpointfunction = express_getattr(self, 'DistributionPointFunction', INDETERMINATE)
+        assert (distributionpointfunction != express_getattr(IfcElectricDistributionPointFunctionEnum, 'USERDEFINED', INDETERMINATE) or (distributionpointfunction == express_getattr(IfcElectricDistributionPointFunctionEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedFunction', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_WR1:
     SCOPE = 'entity'
@@ -5028,12 +5036,12 @@ class IfcElementAssembly_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 def calc_IfcElementarySurface_Dim(self):
-    position = getattr(self, 'Position', INDETERMINATE)
-    return getattr(position, 'Dim', INDETERMINATE)
+    position = express_getattr(self, 'Position', INDETERMINATE)
+    return express_getattr(position, 'Dim', INDETERMINATE)
 
 class IfcEnvironmentalImpactValue_WR1:
     SCOPE = 'entity'
@@ -5042,8 +5050,8 @@ class IfcEnvironmentalImpactValue_WR1:
 
     @staticmethod
     def __call__(self):
-        category = getattr(self, 'Category', INDETERMINATE)
-        assert (category != getattr(IfcEnvironmentalImpactCategoryEnum, 'USERDEFINED', INDETERMINATE) or (category == getattr(IfcEnvironmentalImpactCategoryEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedCategory', INDETERMINATE)))) is not False
+        category = express_getattr(self, 'Category', INDETERMINATE)
+        assert (category != express_getattr(IfcEnvironmentalImpactCategoryEnum, 'USERDEFINED', INDETERMINATE) or (category == express_getattr(IfcEnvironmentalImpactCategoryEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedCategory', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCoolerType_WR1:
     SCOPE = 'entity'
@@ -5052,8 +5060,8 @@ class IfcEvaporativeCoolerType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporatorType_WR1:
     SCOPE = 'entity'
@@ -5062,8 +5070,8 @@ class IfcEvaporatorType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -5072,9 +5080,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        itemreference = getattr(self, 'ItemReference', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        itemreference = express_getattr(self, 'ItemReference', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(itemreference) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_WR31:
@@ -5084,7 +5092,7 @@ class IfcExtrudedAreaSolid_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcFace_WR1:
     SCOPE = 'entity'
@@ -5093,7 +5101,7 @@ class IfcFace_WR1:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc2x3.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -5106,8 +5114,8 @@ class IfcFanType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFillAreaStyle_WR11:
     SCOPE = 'entity'
@@ -5116,7 +5124,7 @@ class IfcFillAreaStyle_WR11:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc2x3.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc2x3.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_WR12:
     SCOPE = 'entity'
@@ -5125,7 +5133,7 @@ class IfcFillAreaStyle_WR12:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc2x3.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc2x3.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_WR13:
     SCOPE = 'entity'
@@ -5134,7 +5142,7 @@ class IfcFillAreaStyle_WR13:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_WR21:
     SCOPE = 'entity'
@@ -5143,7 +5151,7 @@ class IfcFillAreaStyleHatching_WR21:
 
     @staticmethod
     def __call__(self):
-        startofnexthatchline = getattr(self, 'StartOfNextHatchLine', INDETERMINATE)
+        startofnexthatchline = express_getattr(self, 'StartOfNextHatchLine', INDETERMINATE)
         assert (not 'ifc2x3.ifctwodirectionrepeatfactor' in typeof(startofnexthatchline)) is not False
 
 class IfcFillAreaStyleHatching_WR22:
@@ -5153,8 +5161,8 @@ class IfcFillAreaStyleHatching_WR22:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_WR23:
     SCOPE = 'entity'
@@ -5163,8 +5171,8 @@ class IfcFillAreaStyleHatching_WR23:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilterType_WR1:
     SCOPE = 'entity'
@@ -5173,8 +5181,8 @@ class IfcFilterType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeterType_WR1:
     SCOPE = 'entity'
@@ -5183,8 +5191,8 @@ class IfcFlowMeterType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_WR1:
     SCOPE = 'entity'
@@ -5193,8 +5201,8 @@ class IfcFooting_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGasTerminalType_WR1:
     SCOPE = 'entity'
@@ -5203,8 +5211,8 @@ class IfcGasTerminalType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGasTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGasTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGasTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGasTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeneralProfileProperties_WR1:
     SCOPE = 'entity'
@@ -5213,7 +5221,7 @@ class IfcGeneralProfileProperties_WR1:
 
     @staticmethod
     def __call__(self):
-        crosssectionarea = getattr(self, 'CrossSectionArea', INDETERMINATE)
+        crosssectionarea = express_getattr(self, 'CrossSectionArea', INDETERMINATE)
         assert (not exists(crosssectionarea) or crosssectionarea > 0.0) is not False
 
 class IfcGeometricCurveSet_WR1:
@@ -5223,7 +5231,7 @@ class IfcGeometricCurveSet_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc2x3.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc2x3.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationSubContext_WR31:
     SCOPE = 'entity'
@@ -5232,7 +5240,7 @@ class IfcGeometricRepresentationSubContext_WR31:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc2x3.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_WR32:
@@ -5242,25 +5250,25 @@ class IfcGeometricRepresentationSubContext_WR32:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_WR21:
     SCOPE = 'entity'
@@ -5269,12 +5277,12 @@ class IfcGeometricSet_WR21:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGrid_WR41:
     SCOPE = 'entity'
@@ -5283,7 +5291,7 @@ class IfcGrid_WR41:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -5292,8 +5300,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -5302,9 +5310,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -5317,8 +5325,8 @@ class IfcHeatExchangerType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifierType_WR1:
     SCOPE = 'entity'
@@ -5327,8 +5335,8 @@ class IfcHumidifierType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_WR1:
     SCOPE = 'entity'
@@ -5337,8 +5345,8 @@ class IfcIShapeProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < overalldepth / 2.0) is not False
 
 class IfcIShapeProfileDef_WR2:
@@ -5348,8 +5356,8 @@ class IfcIShapeProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_WR3:
@@ -5359,11 +5367,11 @@ class IfcIShapeProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcInventory_WR41:
@@ -5373,7 +5381,7 @@ class IfcInventory_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(getattr(self, 'IsGroupedBy', INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc2x3.ifcspace' in typeof(temp) or 'ifc2x3.ifcasset' in typeof(temp) or 'ifc2x3.ifcfurnishingelement' in typeof(temp))]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc2x3.ifcspace' in typeof(temp) or 'ifc2x3.ifcasset' in typeof(temp) or 'ifc2x3.ifcfurnishingelement' in typeof(temp))]) == 0) is not False
 
 class IfcLShapeProfileDef_WR21:
     SCOPE = 'entity'
@@ -5382,8 +5390,8 @@ class IfcLShapeProfileDef_WR21:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth) is not False
 
 class IfcLShapeProfileDef_WR22:
@@ -5393,8 +5401,8 @@ class IfcLShapeProfileDef_WR22:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (not exists(width) or thickness < width) is not False
 
 class IfcLine_WR1:
@@ -5404,9 +5412,9 @@ class IfcLine_WR1:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -5415,8 +5423,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcLocalTime_WR21:
@@ -5435,7 +5443,7 @@ class IfcMaterialDefinitionRepresentation_WR11:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc2x3.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -5448,7 +5456,7 @@ class IfcMechanicalMaterialProperties_WR21:
 
     @staticmethod
     def __call__(self):
-        youngmodulus = getattr(self, 'YoungModulus', INDETERMINATE)
+        youngmodulus = express_getattr(self, 'YoungModulus', INDETERMINATE)
         assert (not exists(youngmodulus) or youngmodulus >= 0.0) is not False
 
 class IfcMechanicalMaterialProperties_WR22:
@@ -5458,7 +5466,7 @@ class IfcMechanicalMaterialProperties_WR22:
 
     @staticmethod
     def __call__(self):
-        shearmodulus = getattr(self, 'ShearModulus', INDETERMINATE)
+        shearmodulus = express_getattr(self, 'ShearModulus', INDETERMINATE)
         assert (not exists(shearmodulus) or shearmodulus >= 0.0) is not False
 
 class IfcMechanicalSteelMaterialProperties_WR31:
@@ -5468,7 +5476,7 @@ class IfcMechanicalSteelMaterialProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        yieldstress = getattr(self, 'YieldStress', INDETERMINATE)
+        yieldstress = express_getattr(self, 'YieldStress', INDETERMINATE)
         assert (not exists(yieldstress) or yieldstress >= 0.0) is not False
 
 class IfcMechanicalSteelMaterialProperties_WR32:
@@ -5478,7 +5486,7 @@ class IfcMechanicalSteelMaterialProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        ultimatestress = getattr(self, 'UltimateStress', INDETERMINATE)
+        ultimatestress = express_getattr(self, 'UltimateStress', INDETERMINATE)
         assert (not exists(ultimatestress) or ultimatestress >= 0.0) is not False
 
 class IfcMechanicalSteelMaterialProperties_WR33:
@@ -5488,7 +5496,7 @@ class IfcMechanicalSteelMaterialProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        hardeningmodule = getattr(self, 'HardeningModule', INDETERMINATE)
+        hardeningmodule = express_getattr(self, 'HardeningModule', INDETERMINATE)
         assert (not exists(hardeningmodule) or hardeningmodule >= 0.0) is not False
 
 class IfcMechanicalSteelMaterialProperties_WR34:
@@ -5498,7 +5506,7 @@ class IfcMechanicalSteelMaterialProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        proportionalstress = getattr(self, 'ProportionalStress', INDETERMINATE)
+        proportionalstress = express_getattr(self, 'ProportionalStress', INDETERMINATE)
         assert (not exists(proportionalstress) or proportionalstress >= 0.0) is not False
 
 class IfcMove_WR1:
@@ -5508,7 +5516,7 @@ class IfcMove_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'OperatesOn', INDETERMINATE)) >= 1) is not False
+        assert (sizeof(express_getattr(self, 'OperatesOn', INDETERMINATE)) >= 1) is not False
 
 class IfcMove_WR2:
     SCOPE = 'entity'
@@ -5517,8 +5525,8 @@ class IfcMove_WR2:
 
     @staticmethod
     def __call__(self):
-        operateson = getattr(self, 'OperatesOn', INDETERMINATE)
-        assert (sizeof([temp for temp in operateson if sizeof([temp2 for temp2 in getattr(temp, 'RelatedObjects', INDETERMINATE) if 'ifc2x3.ifcactor' in typeof(temp2) or 'ifc2x3.ifcequipmentelement' in typeof(temp2) or 'ifc2x3.ifcfurnishingelement' in typeof(temp2)]) >= 1]) >= 1) is not False
+        operateson = express_getattr(self, 'OperatesOn', INDETERMINATE)
+        assert (sizeof([temp for temp in operateson if sizeof([temp2 for temp2 in express_getattr(temp, 'RelatedObjects', INDETERMINATE) if 'ifc2x3.ifcactor' in typeof(temp2) or 'ifc2x3.ifcequipmentelement' in typeof(temp2) or 'ifc2x3.ifcfurnishingelement' in typeof(temp2)]) >= 1]) >= 1) is not False
 
 class IfcMove_WR3:
     SCOPE = 'entity'
@@ -5527,7 +5535,7 @@ class IfcMove_WR3:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -5536,7 +5544,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcObject_WR1:
     SCOPE = 'entity'
@@ -5545,7 +5553,7 @@ class IfcObject_WR1:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof([temp for temp in isdefinedby if 'ifc2x3.ifcreldefinesbytype' in typeof(temp)]) <= 1) is not False
 
 class IfcObjective_WR21:
@@ -5555,8 +5563,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -5565,8 +5573,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_WR1:
     SCOPE = 'entity'
@@ -5575,8 +5583,8 @@ class IfcOffsetCurve2D_WR1:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_WR1:
     SCOPE = 'entity'
@@ -5585,8 +5593,8 @@ class IfcOffsetCurve3D_WR1:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOrientedEdge_WR1:
     SCOPE = 'entity'
@@ -5595,18 +5603,18 @@ class IfcOrientedEdge_WR1:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc2x3.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcPath_WR1:
     SCOPE = 'entity'
@@ -5624,8 +5632,8 @@ class IfcPerson_WR1:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_WR21:
@@ -5635,7 +5643,7 @@ class IfcPhysicalComplexQuantity_WR21:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPile_WR1:
@@ -5645,8 +5653,8 @@ class IfcPile_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFittingType_WR1:
     SCOPE = 'entity'
@@ -5655,8 +5663,8 @@ class IfcPipeFittingType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegmentType_WR1:
     SCOPE = 'entity'
@@ -5665,8 +5673,8 @@ class IfcPipeSegmentType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_WR21:
     SCOPE = 'entity'
@@ -5675,7 +5683,7 @@ class IfcPixelTexture_WR21:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_WR22:
@@ -5685,7 +5693,7 @@ class IfcPixelTexture_WR22:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_WR23:
@@ -5695,7 +5703,7 @@ class IfcPixelTexture_WR23:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_WR24:
@@ -5705,22 +5713,22 @@ class IfcPixelTexture_WR24:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_WR21:
     SCOPE = 'entity'
@@ -5729,8 +5737,8 @@ class IfcPolyLoop_WR21:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_WR41:
     SCOPE = 'entity'
@@ -5739,8 +5747,8 @@ class IfcPolygonalBoundedHalfSpace_WR41:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_WR42:
     SCOPE = 'entity'
@@ -5749,7 +5757,7 @@ class IfcPolygonalBoundedHalfSpace_WR42:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc2x3.ifcpolyline', 'ifc2x3.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_WR41:
@@ -5759,8 +5767,8 @@ class IfcPolyline_WR41:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -5769,13 +5777,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPreDefinedDimensionSymbol_WR31:
@@ -5785,7 +5793,7 @@ class IfcPreDefinedDimensionSymbol_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['arclength', 'conicaltaper', 'counterbore', 'countersink', 'depth', 'diameter', 'plusminus', 'radius', 'slope', 'sphericaldiameter', 'sphericalradius', 'square']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['arclength', 'conicaltaper', 'counterbore', 'countersink', 'depth', 'diameter', 'plusminus', 'radius', 'slope', 'sphericaldiameter', 'sphericalradius', 'square']) is not False
 
 class IfcPreDefinedPointMarkerSymbol_WR31:
     SCOPE = 'entity'
@@ -5794,7 +5802,7 @@ class IfcPreDefinedPointMarkerSymbol_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['asterisk', 'circle', 'dot', 'plus', 'square', 'triangle', 'x']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['asterisk', 'circle', 'dot', 'plus', 'square', 'triangle', 'x']) is not False
 
 class IfcPreDefinedTerminatorSymbol_WR31:
     SCOPE = 'entity'
@@ -5803,7 +5811,7 @@ class IfcPreDefinedTerminatorSymbol_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['blankedarrow', 'blankedbox', 'blankeddot', 'dimensionorigin', 'filledarrow', 'filledbox', 'filleddot', 'integralsymbol', 'openarrow', 'slash', 'unfilledarrow']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['blankedarrow', 'blankedbox', 'blankeddot', 'dimensionorigin', 'filledarrow', 'filledbox', 'filleddot', 'integralsymbol', 'openarrow', 'slash', 'unfilledarrow']) is not False
 
 class IfcProcedure_WR1:
     SCOPE = 'entity'
@@ -5812,7 +5820,7 @@ class IfcProcedure_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Decomposes', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Decomposes', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
 
 class IfcProcedure_WR2:
     SCOPE = 'entity'
@@ -5821,7 +5829,7 @@ class IfcProcedure_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'IsDecomposedBy', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'IsDecomposedBy', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
 
 class IfcProcedure_WR3:
     SCOPE = 'entity'
@@ -5830,7 +5838,7 @@ class IfcProcedure_WR3:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_WR4:
     SCOPE = 'entity'
@@ -5839,8 +5847,8 @@ class IfcProcedure_WR4:
 
     @staticmethod
     def __call__(self):
-        proceduretype = getattr(self, 'ProcedureType', INDETERMINATE)
-        assert (proceduretype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (proceduretype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedProcedureType', INDETERMINATE)))) is not False
+        proceduretype = express_getattr(self, 'ProcedureType', INDETERMINATE)
+        assert (proceduretype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (proceduretype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedProcedureType', INDETERMINATE)))) is not False
 
 class IfcProduct_WR1:
     SCOPE = 'entity'
@@ -5849,8 +5857,8 @@ class IfcProduct_WR1:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
         assert (exists(representation) and exists(objectplacement) or (exists(representation) and (not 'ifc2x3.ifcproductdefinitionshape' in typeof(representation))) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_WR11:
@@ -5860,7 +5868,7 @@ class IfcProductDefinitionShape_WR11:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc2x3.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_WR31:
@@ -5870,7 +5878,7 @@ class IfcProject_WR31:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_WR32:
     SCOPE = 'entity'
@@ -5879,7 +5887,7 @@ class IfcProject_WR32:
 
     @staticmethod
     def __call__(self):
-        representationcontexts = getattr(self, 'RepresentationContexts', INDETERMINATE)
+        representationcontexts = express_getattr(self, 'RepresentationContexts', INDETERMINATE)
         assert (sizeof([temp for temp in representationcontexts if 'ifc2x3.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_WR33:
@@ -5889,7 +5897,7 @@ class IfcProject_WR33:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcPropertyBoundedValue_WR21:
     SCOPE = 'entity'
@@ -5898,8 +5906,8 @@ class IfcPropertyBoundedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_WR22:
@@ -5909,8 +5917,8 @@ class IfcPropertyBoundedValue_WR22:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (exists(upperboundvalue) or exists(lowerboundvalue)) is not False
 
 class IfcPropertyDependencyRelationship_WR1:
@@ -5920,8 +5928,8 @@ class IfcPropertyDependencyRelationship_WR1:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR1:
@@ -5931,9 +5939,9 @@ class IfcPropertyEnumeratedValue_WR1:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -5942,7 +5950,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -5951,7 +5959,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_WR31:
     SCOPE = 'entity'
@@ -5960,7 +5968,7 @@ class IfcPropertySet_WR31:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_WR32:
     SCOPE = 'entity'
@@ -5969,7 +5977,7 @@ class IfcPropertySet_WR32:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertyTableValue_WR1:
@@ -5979,8 +5987,8 @@ class IfcPropertyTableValue_WR1:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR2:
@@ -5990,7 +5998,7 @@ class IfcPropertyTableValue_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR3:
     SCOPE = 'entity'
@@ -5999,7 +6007,7 @@ class IfcPropertyTableValue_WR3:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -6008,7 +6016,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPumpType_WR1:
     SCOPE = 'entity'
@@ -6017,8 +6025,8 @@ class IfcPumpType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -6027,7 +6035,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -6036,7 +6044,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -6046,7 +6054,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -6056,7 +6064,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -6065,7 +6073,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -6075,7 +6083,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -6084,7 +6092,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -6094,7 +6102,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -6103,7 +6111,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -6113,7 +6121,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -6122,7 +6130,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRailing_WR61:
@@ -6132,8 +6140,8 @@ class IfcRailing_WR61:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_WR1:
     SCOPE = 'entity'
@@ -6142,7 +6150,7 @@ class IfcRamp_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 0 or (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 1 and (not exists(getattr(self, 'Representation', INDETERMINATE))))) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 0 or (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 1 and (not exists(express_getattr(self, 'Representation', INDETERMINATE))))) is not False
 
 class IfcRationalBezierCurve_WR1:
     SCOPE = 'entity'
@@ -6151,8 +6159,8 @@ class IfcRationalBezierCurve_WR1:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBezierCurve_WR2:
     SCOPE = 'entity'
@@ -6164,8 +6172,8 @@ class IfcRationalBezierCurve_WR2:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBezierCurve_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRectangleHollowProfileDef_WR31:
     SCOPE = 'entity'
@@ -6174,8 +6182,8 @@ class IfcRectangleHollowProfileDef_WR31:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_WR32:
     SCOPE = 'entity'
@@ -6184,8 +6192,8 @@ class IfcRectangleHollowProfileDef_WR32:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangleHollowProfileDef_WR33:
     SCOPE = 'entity'
@@ -6194,9 +6202,9 @@ class IfcRectangleHollowProfileDef_WR33:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangularTrimmedSurface_WR1:
     SCOPE = 'entity'
@@ -6205,8 +6213,8 @@ class IfcRectangularTrimmedSurface_WR1:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_WR2:
@@ -6216,8 +6224,8 @@ class IfcRectangularTrimmedSurface_WR2:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_WR3:
@@ -6227,10 +6235,10 @@ class IfcRectangularTrimmedSurface_WR3:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc2x3.ifcelementarysurface' in typeof(basissurface) and (not 'ifc2x3.ifcplane' in typeof(basissurface)) or 'ifc2x3.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_WR4:
@@ -6240,14 +6248,14 @@ class IfcRectangularTrimmedSurface_WR4:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 def calc_IfcRectangularTrimmedSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcReinforcingBar_WR1:
     SCOPE = 'entity'
@@ -6256,8 +6264,8 @@ class IfcReinforcingBar_WR1:
 
     @staticmethod
     def __call__(self):
-        barrole = getattr(self, 'BarRole', INDETERMINATE)
-        assert (barrole != getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE) or (barrole == getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        barrole = express_getattr(self, 'BarRole', INDETERMINATE)
+        assert (barrole != express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE) or (barrole == express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRelAssigns_WR1:
     SCOPE = 'entity'
@@ -6266,8 +6274,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsTasks_WR1:
@@ -6277,7 +6285,7 @@ class IfcRelAssignsTasks_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'RelatedObjects', INDETERMINATE)) == 1) is not False
+        assert (hiindex(express_getattr(self, 'RelatedObjects', INDETERMINATE)) == 1) is not False
 
 class IfcRelAssignsTasks_WR2:
     SCOPE = 'entity'
@@ -6286,7 +6294,7 @@ class IfcRelAssignsTasks_WR2:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc2x3.ifctask' in typeof(express_getitem(getattr(self, 'RelatedObjects', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert ('ifc2x3.ifctask' in typeof(express_getitem(express_getattr(self, 'RelatedObjects', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRelAssignsTasks_WR3:
     SCOPE = 'entity'
@@ -6295,7 +6303,7 @@ class IfcRelAssignsTasks_WR3:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc2x3.ifcworkcontrol' in typeof(getattr(self, 'RelatingControl', INDETERMINATE))) is not False
+        assert ('ifc2x3.ifcworkcontrol' in typeof(express_getattr(self, 'RelatingControl', INDETERMINATE))) is not False
 
 class IfcRelAssignsToActor_WR1:
     SCOPE = 'entity'
@@ -6304,8 +6312,8 @@ class IfcRelAssignsToActor_WR1:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_WR1:
     SCOPE = 'entity'
@@ -6314,8 +6322,8 @@ class IfcRelAssignsToControl_WR1:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_WR1:
     SCOPE = 'entity'
@@ -6324,8 +6332,8 @@ class IfcRelAssignsToGroup_WR1:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_WR1:
     SCOPE = 'entity'
@@ -6334,8 +6342,8 @@ class IfcRelAssignsToProcess_WR1:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_WR1:
     SCOPE = 'entity'
@@ -6344,8 +6352,8 @@ class IfcRelAssignsToProduct_WR1:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_WR1:
     SCOPE = 'entity'
@@ -6354,8 +6362,8 @@ class IfcRelAssignsToResource_WR1:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociates_WR21:
     SCOPE = 'entity'
@@ -6364,7 +6372,7 @@ class IfcRelAssociates_WR21:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if not ('ifc2x3.ifcobjectdefinition' in typeof(temp) or 'ifc2x3.ifcpropertydefinition' in typeof(temp))]) == 0) is not False
 
 class IfcRelAssociatesMaterial_WR21:
@@ -6374,7 +6382,7 @@ class IfcRelAssociatesMaterial_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc2x3.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc2x3.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc2x3.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc2x3.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_WR22:
     SCOPE = 'entity'
@@ -6383,7 +6391,7 @@ class IfcRelAssociatesMaterial_WR22:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifcproduct' in typeof(temp) and (not 'ifc2x3.ifctypeproduct' in typeof(temp))]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifcproduct' in typeof(temp) and (not 'ifc2x3.ifctypeproduct' in typeof(temp))]) == 0) is not False
 
 class IfcRelConnectsElements_WR31:
     SCOPE = 'entity'
@@ -6392,8 +6400,8 @@ class IfcRelConnectsElements_WR31:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -6403,7 +6411,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc2x3.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDecomposes_WR31:
@@ -6413,8 +6421,8 @@ class IfcRelDecomposes_WR31:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelNests_WR1:
@@ -6424,7 +6432,7 @@ class IfcRelNests_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if not typeof(getattr(self, 'RelatingObject', INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if not typeof(express_getattr(self, 'RelatingObject', INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcRelOverridesProperties_WR1:
     SCOPE = 'entity'
@@ -6433,7 +6441,7 @@ class IfcRelOverridesProperties_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'RelatedObjects', INDETERMINATE)) == 1) is not False
+        assert (sizeof(express_getattr(self, 'RelatedObjects', INDETERMINATE)) == 1) is not False
 
 class IfcRelReferencedInSpatialStructure_WR31:
     SCOPE = 'entity'
@@ -6442,7 +6450,7 @@ class IfcRelReferencedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc2x3.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelSchedulesCostItems_WR11:
@@ -6452,7 +6460,7 @@ class IfcRelSchedulesCostItems_WR11:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifccostitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifccostitem' in typeof(temp)]) == 0) is not False
 
 class IfcRelSchedulesCostItems_WR12:
     SCOPE = 'entity'
@@ -6461,7 +6469,7 @@ class IfcRelSchedulesCostItems_WR12:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc2x3.ifccostschedule' in typeof(getattr(self, 'RelatingControl', INDETERMINATE))) is not False
+        assert ('ifc2x3.ifccostschedule' in typeof(express_getattr(self, 'RelatingControl', INDETERMINATE))) is not False
 
 class IfcRelSequence_WR1:
     SCOPE = 'entity'
@@ -6470,8 +6478,8 @@ class IfcRelSequence_WR1:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSpaceBoundary_WR1:
@@ -6481,9 +6489,9 @@ class IfcRelSpaceBoundary_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (exists(relatedbuildingelement) and (not 'ifc2x3.ifcvirtualelement' in typeof(relatedbuildingelement))) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and (not exists(relatedbuildingelement) or 'ifc2x3.ifcvirtualelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (exists(relatedbuildingelement) and (not 'ifc2x3.ifcvirtualelement' in typeof(relatedbuildingelement))) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and (not exists(relatedbuildingelement) or 'ifc2x3.ifcvirtualelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcRevolvedAreaSolid_WR31:
     SCOPE = 'entity'
@@ -6492,8 +6500,8 @@ class IfcRevolvedAreaSolid_WR31:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_WR32:
     SCOPE = 'entity'
@@ -6502,12 +6510,12 @@ class IfcRevolvedAreaSolid_WR32:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRoof_WR1:
     SCOPE = 'entity'
@@ -6516,7 +6524,7 @@ class IfcRoof_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 0 or (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 1 and (not exists(getattr(self, 'Representation', INDETERMINATE))))) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 0 or (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 1 and (not exists(express_getattr(self, 'Representation', INDETERMINATE))))) is not False
 
 class IfcRoundedRectangleProfileDef_WR31:
     SCOPE = 'entity'
@@ -6525,11 +6533,11 @@ class IfcRoundedRectangleProfileDef_WR31:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSectionedSpine_WR1:
     SCOPE = 'entity'
@@ -6538,8 +6546,8 @@ class IfcSectionedSpine_WR1:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_WR2:
@@ -6549,8 +6557,8 @@ class IfcSectionedSpine_WR2:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_WR3:
     SCOPE = 'entity'
@@ -6559,8 +6567,8 @@ class IfcSectionedSpine_WR3:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -6572,8 +6580,8 @@ class IfcServiceLifeFactor_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcServiceLifeFactorTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcServiceLifeFactorTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -6582,8 +6590,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_WR21:
     SCOPE = 'entity'
@@ -6592,7 +6600,7 @@ class IfcShapeRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc2x3.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc2x3.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_WR22:
     SCOPE = 'entity'
@@ -6601,7 +6609,7 @@ class IfcShapeRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc2x3.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc2x3.ifcvertexpoint', 'ifc2x3.ifcedgecurve', 'ifc2x3.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_WR23:
@@ -6611,7 +6619,7 @@ class IfcShapeRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_WR24:
     SCOPE = 'entity'
@@ -6620,7 +6628,7 @@ class IfcShapeRepresentation_WR24:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -6632,8 +6640,8 @@ class IfcSlab_WR61:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -6645,8 +6653,8 @@ class IfcSpaceHeaterType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -6655,7 +6663,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc2x3.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc2x3.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc2x3.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc2x3.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc2x3.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc2x3.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcStair_WR1:
     SCOPE = 'entity'
@@ -6664,7 +6672,7 @@ class IfcStair_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 0 or (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 1 and (not exists(getattr(self, 'Representation', INDETERMINATE))))) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 0 or (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) == 1 and (not exists(express_getattr(self, 'Representation', INDETERMINATE))))) is not False
 
 class IfcStructuralLinearAction_WR61:
     SCOPE = 'entity'
@@ -6673,11 +6681,11 @@ class IfcStructuralLinearAction_WR61:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc2x3.ifcstructuralloadlinearforce', 'ifc2x3.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc2x3.ifcstructuralloadlinearforce', 'ifc2x3.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 def calc_IfcStructuralLinearActionVarying_VaryingAppliedLoads(self):
-    subsequentappliedloads = getattr(self, 'SubsequentAppliedLoads', INDETERMINATE)
-    return IfcAddToBeginOfList(getattr(self, 'AppliedLoad', INDETERMINATE), subsequentappliedloads)
+    subsequentappliedloads = express_getattr(self, 'SubsequentAppliedLoads', INDETERMINATE)
+    return IfcAddToBeginOfList(express_getattr(self, 'AppliedLoad', INDETERMINATE), subsequentappliedloads)
 
 class IfcStructuralPlanarAction_WR61:
     SCOPE = 'entity'
@@ -6686,11 +6694,11 @@ class IfcStructuralPlanarAction_WR61:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc2x3.ifcstructuralloadplanarforce', 'ifc2x3.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc2x3.ifcstructuralloadplanarforce', 'ifc2x3.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 def calc_IfcStructuralPlanarActionVarying_VaryingAppliedLoads(self):
-    subsequentappliedloads = getattr(self, 'SubsequentAppliedLoads', INDETERMINATE)
-    return IfcAddToBeginOfList(getattr(self, 'AppliedLoad', INDETERMINATE), subsequentappliedloads)
+    subsequentappliedloads = express_getattr(self, 'SubsequentAppliedLoads', INDETERMINATE)
+    return IfcAddToBeginOfList(express_getattr(self, 'AppliedLoad', INDETERMINATE), subsequentappliedloads)
 
 class IfcStructuralPointAction_WR61:
     SCOPE = 'entity'
@@ -6699,7 +6707,7 @@ class IfcStructuralPointAction_WR61:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc2x3.ifcstructuralloadsingleforce', 'ifc2x3.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc2x3.ifcstructuralloadsingleforce', 'ifc2x3.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_WR61:
     SCOPE = 'entity'
@@ -6708,7 +6716,7 @@ class IfcStructuralPointReaction_WR61:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc2x3.ifcstructuralloadsingleforce', 'ifc2x3.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc2x3.ifcstructuralloadsingleforce', 'ifc2x3.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralProfileProperties_WR21:
     SCOPE = 'entity'
@@ -6717,7 +6725,7 @@ class IfcStructuralProfileProperties_WR21:
 
     @staticmethod
     def __call__(self):
-        sheardeformationareay = getattr(self, 'ShearDeformationAreaY', INDETERMINATE)
+        sheardeformationareay = express_getattr(self, 'ShearDeformationAreaY', INDETERMINATE)
         assert (not exists(sheardeformationareay) or sheardeformationareay >= 0.0) is not False
 
 class IfcStructuralProfileProperties_WR22:
@@ -6727,7 +6735,7 @@ class IfcStructuralProfileProperties_WR22:
 
     @staticmethod
     def __call__(self):
-        sheardeformationareaz = getattr(self, 'ShearDeformationAreaZ', INDETERMINATE)
+        sheardeformationareaz = express_getattr(self, 'ShearDeformationAreaZ', INDETERMINATE)
         assert (not exists(sheardeformationareaz) or sheardeformationareaz >= 0.0) is not False
 
 class IfcStructuralSteelProfileProperties_WR31:
@@ -6737,7 +6745,7 @@ class IfcStructuralSteelProfileProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        shearareay = getattr(self, 'ShearAreaY', INDETERMINATE)
+        shearareay = express_getattr(self, 'ShearAreaY', INDETERMINATE)
         assert (not exists(shearareay) or shearareay >= 0.0) is not False
 
 class IfcStructuralSteelProfileProperties_WR32:
@@ -6747,7 +6755,7 @@ class IfcStructuralSteelProfileProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        shearareaz = getattr(self, 'ShearAreaZ', INDETERMINATE)
+        shearareaz = express_getattr(self, 'ShearAreaZ', INDETERMINATE)
         assert (not exists(shearareaz) or shearareaz >= 0.0) is not False
 
 class IfcStructuralSurfaceMemberVarying_WR61:
@@ -6757,7 +6765,7 @@ class IfcStructuralSurfaceMemberVarying_WR61:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Thickness', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Thickness', INDETERMINATE)) is not False
 
 class IfcStructuralSurfaceMemberVarying_WR62:
     SCOPE = 'entity'
@@ -6766,7 +6774,7 @@ class IfcStructuralSurfaceMemberVarying_WR62:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(getattr(self, 'VaryingThicknessLocation', INDETERMINATE), 'ShapeRepresentations', INDETERMINATE) if not sizeof(getattr(temp, 'Items', INDETERMINATE)) == 1]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(express_getattr(self, 'VaryingThicknessLocation', INDETERMINATE), 'ShapeRepresentations', INDETERMINATE) if not sizeof(express_getattr(temp, 'Items', INDETERMINATE)) == 1]) == 0) is not False
 
 class IfcStructuralSurfaceMemberVarying_WR63:
     SCOPE = 'entity'
@@ -6775,11 +6783,11 @@ class IfcStructuralSurfaceMemberVarying_WR63:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(getattr(self, 'VaryingThicknessLocation', INDETERMINATE), 'ShapeRepresentations', INDETERMINATE) if not ('ifc2x3.ifccartesianpoint' in typeof(express_getitem(getattr(temp, 'Items', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc2x3.ifcpointonsurface' in typeof(express_getitem(getattr(temp, 'Items', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(express_getattr(self, 'VaryingThicknessLocation', INDETERMINATE), 'ShapeRepresentations', INDETERMINATE) if not ('ifc2x3.ifccartesianpoint' in typeof(express_getitem(express_getattr(temp, 'Items', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc2x3.ifcpointonsurface' in typeof(express_getitem(express_getattr(temp, 'Items', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))]) == 0) is not False
 
 def calc_IfcStructuralSurfaceMemberVarying_VaryingThickness(self):
-    subsequentthickness = getattr(self, 'SubsequentThickness', INDETERMINATE)
-    return IfcAddToBeginOfList(getattr(self, 'Thickness', INDETERMINATE), subsequentthickness)
+    subsequentthickness = express_getattr(self, 'SubsequentThickness', INDETERMINATE)
+    return IfcAddToBeginOfList(express_getattr(self, 'Thickness', INDETERMINATE), subsequentthickness)
 
 class IfcStructuredDimensionCallout_WR31:
     SCOPE = 'entity'
@@ -6788,8 +6796,8 @@ class IfcStructuredDimensionCallout_WR31:
 
     @staticmethod
     def __call__(self):
-        contents = getattr(self, 'Contents', INDETERMINATE)
-        assert (sizeof([ato for ato in [con for con in getattr(self, 'contents', INDETERMINATE) if 'ifc2x3.ifcannotationtextoccurrence' in typeof(con)] if not getattr(getattr(ato, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['dimensionvalue', 'tolerancevalue', 'unittext', 'prefixtext', 'suffixtext']]) == 0) is not False
+        contents = express_getattr(self, 'Contents', INDETERMINATE)
+        assert (sizeof([ato for ato in [con for con in express_getattr(self, 'contents', INDETERMINATE) if 'ifc2x3.ifcannotationtextoccurrence' in typeof(con)] if not express_getattr(express_getattr(ato, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['dimensionvalue', 'tolerancevalue', 'unittext', 'prefixtext', 'suffixtext']]) == 0) is not False
 
 class IfcStyledItem_WR11:
     SCOPE = 'entity'
@@ -6798,7 +6806,7 @@ class IfcStyledItem_WR11:
 
     @staticmethod
     def __call__(self):
-        styles = getattr(self, 'Styles', INDETERMINATE)
+        styles = express_getattr(self, 'Styles', INDETERMINATE)
         assert (sizeof(styles) == 1) is not False
 
 class IfcStyledItem_WR12:
@@ -6808,7 +6816,7 @@ class IfcStyledItem_WR12:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc2x3.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_WR21:
@@ -6818,7 +6826,7 @@ class IfcStyledRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc2x3.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc2x3.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSurfaceOfLinearExtrusion_WR41:
     SCOPE = 'entity'
@@ -6827,17 +6835,17 @@ class IfcSurfaceOfLinearExtrusion_WR41:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceStyle_WR11:
     SCOPE = 'entity'
@@ -6846,7 +6854,7 @@ class IfcSurfaceStyle_WR11:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_WR12:
     SCOPE = 'entity'
@@ -6855,7 +6863,7 @@ class IfcSurfaceStyle_WR12:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_WR13:
     SCOPE = 'entity'
@@ -6864,7 +6872,7 @@ class IfcSurfaceStyle_WR13:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_WR14:
     SCOPE = 'entity'
@@ -6873,7 +6881,7 @@ class IfcSurfaceStyle_WR14:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_WR15:
     SCOPE = 'entity'
@@ -6882,7 +6890,7 @@ class IfcSurfaceStyle_WR15:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc2x3.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_WR22:
     SCOPE = 'entity'
@@ -6891,8 +6899,8 @@ class IfcSweptAreaSolid_WR22:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_WR1:
     SCOPE = 'entity'
@@ -6901,8 +6909,8 @@ class IfcSweptDiskSolid_WR1:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_WR2:
     SCOPE = 'entity'
@@ -6911,8 +6919,8 @@ class IfcSweptDiskSolid_WR2:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptSurface_WR1:
@@ -6922,7 +6930,7 @@ class IfcSweptSurface_WR1:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
         assert (not 'ifc2x3.ifcderivedprofiledef' in typeof(sweptcurve)) is not False
 
 class IfcSweptSurface_WR2:
@@ -6932,12 +6940,12 @@ class IfcSweptSurface_WR2:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 def calc_IfcSweptSurface_Dim(self):
-    position = getattr(self, 'Position', INDETERMINATE)
-    return getattr(position, 'Dim', INDETERMINATE)
+    position = express_getattr(self, 'Position', INDETERMINATE)
+    return express_getattr(position, 'Dim', INDETERMINATE)
 
 class IfcTShapeProfileDef_WR1:
     SCOPE = 'entity'
@@ -6946,8 +6954,8 @@ class IfcTShapeProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_WR2:
@@ -6957,8 +6965,8 @@ class IfcTShapeProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -6968,8 +6976,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -6978,8 +6986,8 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR3:
     SCOPE = 'entity'
@@ -6988,20 +6996,20 @@ class IfcTable_WR3:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTankType_WR1:
     SCOPE = 'entity'
@@ -7010,8 +7018,8 @@ class IfcTankType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_WR1:
     SCOPE = 'entity'
@@ -7020,7 +7028,7 @@ class IfcTask_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Decomposes', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Decomposes', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
 
 class IfcTask_WR2:
     SCOPE = 'entity'
@@ -7029,7 +7037,7 @@ class IfcTask_WR2:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'IsDecomposedBy', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'IsDecomposedBy', INDETERMINATE) if not 'ifc2x3.ifcrelnests' in typeof(temp)]) == 0) is not False
 
 class IfcTask_WR3:
     SCOPE = 'entity'
@@ -7038,7 +7046,7 @@ class IfcTask_WR3:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTelecomAddress_WR1:
     SCOPE = 'entity'
@@ -7047,11 +7055,11 @@ class IfcTelecomAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(pagernumber) or exists(facsimilenumbers) or exists(electronicmailaddresses) or exists(wwwhomepageurl)) is not False
 
 class IfcTendon_WR1:
@@ -7061,8 +7069,8 @@ class IfcTendon_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTextLiteralWithExtent_WR31:
     SCOPE = 'entity'
@@ -7071,7 +7079,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc2x3.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_WR31:
@@ -7081,7 +7089,7 @@ class IfcTextStyleFontModel_WR31:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc2x3.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc2x3.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTextureMap_WR11:
     SCOPE = 'entity'
@@ -7090,7 +7098,7 @@ class IfcTextureMap_WR11:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc2x3.ifcshellbasedsurfacemodel', 'ifc2x3.ifcfacebasedsurfacemodel', 'ifc2x3.ifcfacetedbrep', 'ifc2x3.ifcfacetedbrepwithvoids'] * typeof(getattr(express_getitem(getattr(self, 'AnnotatedSurface', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Item', INDETERMINATE))) >= 1) is not False
+        assert (sizeof(['ifc2x3.ifcshellbasedsurfacemodel', 'ifc2x3.ifcfacebasedsurfacemodel', 'ifc2x3.ifcfacetedbrep', 'ifc2x3.ifcfacetedbrepwithvoids'] * typeof(express_getattr(express_getitem(express_getattr(self, 'AnnotatedSurface', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Item', INDETERMINATE))) >= 1) is not False
 
 class IfcTimeSeriesSchedule_WR41:
     SCOPE = 'entity'
@@ -7099,8 +7107,8 @@ class IfcTimeSeriesSchedule_WR41:
 
     @staticmethod
     def __call__(self):
-        timeseriesscheduletype = getattr(self, 'TimeSeriesScheduleType', INDETERMINATE)
-        assert (not timeseriesscheduletype == getattr(IfcTimeSeriesScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        timeseriesscheduletype = express_getattr(self, 'TimeSeriesScheduleType', INDETERMINATE)
+        assert (not timeseriesscheduletype == express_getattr(IfcTimeSeriesScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -7109,7 +7117,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc2x3.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc2x3.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -7118,7 +7126,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -7127,7 +7135,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcTrimmedCurve_WR41:
     SCOPE = 'entity'
@@ -7136,7 +7144,7 @@ class IfcTrimmedCurve_WR41:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_WR42:
@@ -7146,7 +7154,7 @@ class IfcTrimmedCurve_WR42:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_WR43:
@@ -7156,7 +7164,7 @@ class IfcTrimmedCurve_WR43:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc2x3.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundleType_WR1:
@@ -7166,8 +7174,8 @@ class IfcTubeBundleType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_WR1:
     SCOPE = 'entity'
@@ -7176,7 +7184,7 @@ class IfcTypeObject_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeProduct_WR41:
     SCOPE = 'entity'
@@ -7185,7 +7193,7 @@ class IfcTypeProduct_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'ObjectTypeOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'ObjectTypeOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'ObjectTypeOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'ObjectTypeOf', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc2x3.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_WR21:
     SCOPE = 'entity'
@@ -7194,8 +7202,8 @@ class IfcUShapeProfileDef_WR21:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_WR22:
@@ -7205,8 +7213,8 @@ class IfcUShapeProfileDef_WR22:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -7216,7 +7224,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryEquipmentType_WR1:
@@ -7226,8 +7234,8 @@ class IfcUnitaryEquipmentType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValveType_WR1:
     SCOPE = 'entity'
@@ -7236,8 +7244,8 @@ class IfcValveType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_WR1:
     SCOPE = 'entity'
@@ -7246,12 +7254,12 @@ class IfcVector_WR1:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationIsolatorType_WR1:
     SCOPE = 'entity'
@@ -7260,8 +7268,8 @@ class IfcVibrationIsolatorType_WR1:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWall_WR1:
     SCOPE = 'entity'
@@ -7270,7 +7278,7 @@ class IfcWall_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc2x3.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc2x3.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcWallStandardCase_WR1:
     SCOPE = 'entity'
@@ -7279,7 +7287,7 @@ class IfcWallStandardCase_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc2x3.ifcrelassociates.relatedobjects') if 'ifc2x3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc2x3.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc2x3.ifcrelassociates.relatedobjects') if 'ifc2x3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc2x3.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7288,8 +7296,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (not exists(liningdepth) and exists(liningthickness))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -7299,8 +7307,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -7310,8 +7318,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -7321,7 +7329,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc2x3.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc2x3.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcWorkControl_WR1:
     SCOPE = 'entity'
@@ -7330,8 +7338,8 @@ class IfcWorkControl_WR1:
 
     @staticmethod
     def __call__(self):
-        workcontroltype = getattr(self, 'WorkControlType', INDETERMINATE)
-        assert (workcontroltype != getattr(IfcWorkControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (workcontroltype == getattr(IfcWorkControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedControlType', INDETERMINATE)))) is not False
+        workcontroltype = express_getattr(self, 'WorkControlType', INDETERMINATE)
+        assert (workcontroltype != express_getattr(IfcWorkControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (workcontroltype == express_getattr(IfcWorkControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedControlType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_WR21:
     SCOPE = 'entity'
@@ -7340,8 +7348,8 @@ class IfcZShapeProfileDef_WR21:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -7351,19 +7359,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(getattr(self, 'IsGroupedBy', INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc2x3.ifczone' in typeof(temp) or 'ifc2x3.ifcspace' in typeof(temp))]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc2x3.ifczone' in typeof(temp) or 'ifc2x3.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -7373,7 +7381,7 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAddToBeginOfList(ascalar, alist):
@@ -7400,13 +7408,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -7424,7 +7432,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcCorrectDimensions(m, dim):
     if m == lengthunit:
@@ -7602,7 +7610,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc2x3.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc2x3.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -7613,27 +7621,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc2x3.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc2x3.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc2x3.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc2x3.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc2x3.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc2x3.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc2x3.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -7645,26 +7653,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc2x3.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc2x3.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc2x3.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc2x3.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc2x3.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc2x3.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc2x3.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc2x3.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc2x3.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -7673,17 +7681,17 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc2x3.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc2x3.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc2x3.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc2x3.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc2x3.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc2x3.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc2x3.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc2x3.ifcoffsetcurve3d' in typeof(curve):
@@ -7692,8 +7700,8 @@ def IfcCurveDim(curve):
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -7701,13 +7709,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -7777,15 +7785,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -7794,19 +7802,19 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
@@ -7830,16 +7838,16 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -7849,25 +7857,25 @@ def IfcNormalise(arg):
     if not exists(arg):
         return None
     else:
-        ndim = getattr(arg, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg, 'Dim', INDETERMINATE)
         if 'ifc2x3.ifcvector' in typeof(arg):
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc2x3.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -7879,47 +7887,47 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -7940,15 +7948,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc2x3.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -7964,43 +7972,43 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc2x3.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc2x3.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc2x3.ifcpoint', 'ifc2x3.ifccurve', 'ifc2x3.ifcgeometriccurveset', 'ifc2x3.ifcannotationfillarea', 'ifc2x3.ifcdefinedsymbol', 'ifc2x3.ifctextliteral', 'ifc2x3.ifcdraughtingcallout']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcgeometricset' in typeof(temp) or 'ifc2x3.ifcpoint' in typeof(temp) or 'ifc2x3.ifccurve' in typeof(temp) or ('ifc2x3.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcgeometriccurveset' in typeof(temp) or 'ifc2x3.ifcgeometricset' in typeof(temp) or 'ifc2x3.ifcpoint' in typeof(temp) or ('ifc2x3.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc2x3.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc2x3.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc2x3.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc2x3.ifcshellbasedsurfacemodel', 'ifc2x3.ifcfacebasedsurfacemodel', 'ifc2x3.ifcfacetedbrep', 'ifc2x3.ifcfacetedbrepwithvoids'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcsweptareasolid' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcbooleanresult' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcbooleanclippingresult' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcsurfacecurvesweptareasolid' in typeof(temp) or 'ifc2x3.ifcsweptdisksolid' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcfacetedbrep' in typeof(temp) or 'ifc2x3.ifcfacetedbrepwithvoids' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -8008,17 +8016,17 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc2x3.ifcopenshell' in typeof(temp) or 'ifc2x3.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -8027,60 +8035,60 @@ def IfcTopologyRepresentationTypes(reptype, items):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcValidCalendarDate(date):
-    if not 1 <= getattr(date, 'DayComponent', INDETERMINATE) <= 31:
+    if not 1 <= express_getattr(date, 'DayComponent', INDETERMINATE) <= 31:
         return False
-    if getattr(date, 'MonthComponent', INDETERMINATE) == 4:
-        return 1 <= getattr(date, 'DayComponent', INDETERMINATE) <= 30
-    elif getattr(date, 'MonthComponent', INDETERMINATE) == 6:
-        return 1 <= getattr(date, 'DayComponent', INDETERMINATE) <= 30
-    elif getattr(date, 'MonthComponent', INDETERMINATE) == 9:
-        return 1 <= getattr(date, 'DayComponent', INDETERMINATE) <= 30
-    elif getattr(date, 'MonthComponent', INDETERMINATE) == 11:
-        return 1 <= getattr(date, 'DayComponent', INDETERMINATE) <= 30
-    elif getattr(date, 'MonthComponent', INDETERMINATE) == 2:
-        if IfcLeapYear(getattr(date, 'YearComponent', INDETERMINATE)):
-            return 1 <= getattr(date, 'DayComponent', INDETERMINATE) <= 29
+    if express_getattr(date, 'MonthComponent', INDETERMINATE) == 4:
+        return 1 <= express_getattr(date, 'DayComponent', INDETERMINATE) <= 30
+    elif express_getattr(date, 'MonthComponent', INDETERMINATE) == 6:
+        return 1 <= express_getattr(date, 'DayComponent', INDETERMINATE) <= 30
+    elif express_getattr(date, 'MonthComponent', INDETERMINATE) == 9:
+        return 1 <= express_getattr(date, 'DayComponent', INDETERMINATE) <= 30
+    elif express_getattr(date, 'MonthComponent', INDETERMINATE) == 11:
+        return 1 <= express_getattr(date, 'DayComponent', INDETERMINATE) <= 30
+    elif express_getattr(date, 'MonthComponent', INDETERMINATE) == 2:
+        if IfcLeapYear(express_getattr(date, 'YearComponent', INDETERMINATE)):
+            return 1 <= express_getattr(date, 'DayComponent', INDETERMINATE) <= 29
         else:
-            return 1 <= getattr(date, 'DayComponent', INDETERMINATE) <= 28
+            return 1 <= express_getattr(date, 'DayComponent', INDETERMINATE) <= 28
     else:
         return True
 
 def IfcValidTime(time):
-    if exists(getattr(time, 'SecondComponent', INDETERMINATE)):
-        return exists(getattr(time, 'MinuteComponent', INDETERMINATE))
+    if exists(express_getattr(time, 'SecondComponent', INDETERMINATE)):
+        return exists(express_getattr(time, 'MinuteComponent', INDETERMINATE))
     else:
         return True
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc2x3.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc2x3.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -8088,31 +8096,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc2x3.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc2x3.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4.py
index aea4ab615b..0df12ba768 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,4174 +147,4175 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNullStyle = enum_namespace()
-null = getattr(IfcNullStyle, 'NULL', INDETERMINATE)
+null = express_getattr(IfcNullStyle, 'NULL', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-craneway = getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamStandardCase', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElement', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnStandardCase', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStandardCase', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberStandardCase', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpeningStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningStandardCase', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateStandardCase', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcPresentationStyleAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyleAssignment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyleAssignment', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabElementedCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabElementedCase', *args, **kwargs)
 
 def IfcSlabStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabStandardCase', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallElementedCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWallElementedCase', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStandardCase', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStandardCase', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -4316,7 +4324,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -4397,7 +4405,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -4406,7 +4414,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -4415,7 +4423,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -4514,7 +4522,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -4523,7 +4531,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -4532,7 +4540,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -4541,8 +4549,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4551,8 +4559,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4561,8 +4569,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4571,8 +4579,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -4581,8 +4589,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -4591,7 +4599,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -4600,8 +4608,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -4610,7 +4618,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4.ifcelementarysurface', 'ifc4.ifcsweptsurface', 'ifc4.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4.ifcelementarysurface', 'ifc4.ifcsweptsurface', 'ifc4.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -4619,7 +4627,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -4628,7 +4636,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4.ifcline', 'ifc4.ifcconic', 'ifc4.ifcpolyline', 'ifc4.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4.ifcline', 'ifc4.ifcconic', 'ifc4.ifcpolyline', 'ifc4.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4637,8 +4645,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4647,8 +4655,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4657,8 +4665,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4667,8 +4675,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4677,8 +4685,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4687,8 +4695,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4697,8 +4705,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4707,8 +4715,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4717,8 +4725,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4727,8 +4735,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4737,8 +4745,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4747,8 +4755,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -4757,8 +4765,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -4768,8 +4776,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -4778,7 +4786,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -4788,7 +4796,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -4798,7 +4806,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -4807,8 +4815,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -4817,7 +4825,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -4826,8 +4834,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -4836,7 +4844,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -4846,9 +4854,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -4858,9 +4866,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -4870,9 +4878,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -4882,9 +4890,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -4894,8 +4902,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4904,8 +4912,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4914,8 +4922,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -4924,8 +4932,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -4934,10 +4942,10 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_RefDirIs2D:
@@ -4947,8 +4955,8 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIs2D:
     SCOPE = 'entity'
@@ -4957,10 +4965,10 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_LocationIs3D:
@@ -4970,7 +4978,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
     SCOPE = 'entity'
@@ -4979,8 +4987,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -4989,8 +4997,8 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -4999,9 +5007,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
     SCOPE = 'entity'
@@ -5010,13 +5018,13 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcBSplineCurve_SameDim:
@@ -5026,16 +5034,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5045,11 +5053,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5059,26 +5067,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5088,10 +5096,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5100,10 +5108,10 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
     SCOPE = 'entity'
@@ -5112,8 +5120,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -5123,16 +5131,16 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -5142,8 +5150,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5152,8 +5160,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -5162,7 +5170,7 @@ class IfcBeamStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5171,8 +5179,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
     SCOPE = 'entity'
@@ -5181,7 +5189,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -5190,7 +5198,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBoiler_CorrectPredefinedType:
@@ -5200,8 +5208,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5210,8 +5218,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5220,8 +5228,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -5230,7 +5238,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -5240,7 +5248,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -5250,7 +5258,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_SameDim:
@@ -5260,9 +5268,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
     SCOPE = 'entity'
@@ -5271,8 +5279,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -5281,12 +5289,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -5295,7 +5303,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -5307,7 +5315,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBuildingElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -5316,7 +5324,7 @@ class IfcBuildingElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5325,8 +5333,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5335,8 +5343,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5345,8 +5353,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -5355,7 +5363,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5364,8 +5372,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5374,8 +5382,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5384,8 +5392,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5394,8 +5402,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5404,8 +5412,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5414,8 +5422,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -5424,8 +5432,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -5435,10 +5443,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -5448,9 +5456,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -5460,8 +5468,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5470,8 +5478,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5480,8 +5488,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5490,8 +5498,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5500,8 +5508,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5510,8 +5518,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5520,8 +5528,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5530,8 +5538,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5540,8 +5548,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5550,8 +5558,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5560,8 +5568,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5570,8 +5578,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -5580,11 +5588,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -5597,16 +5605,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -5615,7 +5623,7 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -5624,7 +5632,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -5633,10 +5641,10 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -5645,12 +5653,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -5659,7 +5667,7 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -5668,7 +5676,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -5677,7 +5685,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -5686,12 +5694,12 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -5700,7 +5708,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -5710,16 +5718,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5728,8 +5736,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5738,8 +5746,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5748,8 +5756,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5758,8 +5766,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5768,8 +5776,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5778,8 +5786,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -5788,8 +5796,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5798,8 +5806,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5808,8 +5816,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5818,8 +5826,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5828,8 +5836,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5838,8 +5846,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -5848,7 +5856,7 @@ class IfcColumnStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5857,8 +5865,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5867,8 +5875,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5877,8 +5885,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5887,8 +5895,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -5897,7 +5905,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -5907,7 +5915,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -5917,7 +5925,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -5927,7 +5935,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -5937,9 +5945,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -5948,17 +5956,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -5967,7 +5975,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -5980,12 +5988,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -5994,8 +6002,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6004,7 +6012,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6014,8 +6022,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6024,8 +6032,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6034,8 +6042,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6044,8 +6052,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6054,8 +6062,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6064,8 +6072,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -6074,8 +6082,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6084,8 +6092,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6094,8 +6102,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6104,8 +6112,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6114,8 +6122,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6124,8 +6132,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6134,8 +6142,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6144,8 +6152,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6154,8 +6162,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6164,8 +6172,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6174,8 +6182,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6184,8 +6192,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6194,8 +6202,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6204,8 +6212,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6214,8 +6222,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6224,8 +6232,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6234,8 +6242,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6244,8 +6252,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6254,8 +6262,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6264,8 +6272,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6274,8 +6282,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -6287,8 +6295,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6297,8 +6305,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6307,8 +6315,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -6320,7 +6328,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyle_IdentifiableCurveStyle:
@@ -6330,9 +6338,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -6342,7 +6350,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -6352,8 +6360,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6362,8 +6370,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6372,8 +6380,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6382,8 +6390,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -6392,8 +6400,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -6402,11 +6410,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -6416,11 +6424,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -6430,8 +6438,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6440,8 +6448,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6450,8 +6458,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6460,8 +6468,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6470,8 +6478,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6480,8 +6488,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -6490,8 +6498,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectStyleAssigned:
@@ -6501,8 +6509,8 @@ class IfcDoor_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -6511,8 +6519,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -6522,8 +6530,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -6533,8 +6541,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -6544,8 +6552,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -6555,7 +6563,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -6564,7 +6572,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6573,8 +6581,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -6583,7 +6591,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -6592,7 +6600,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6601,8 +6609,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6611,8 +6619,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6621,8 +6629,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6631,8 +6639,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6641,8 +6649,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6651,8 +6659,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6661,8 +6669,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6671,8 +6679,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6681,8 +6689,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -6691,9 +6699,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -6705,7 +6713,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -6715,8 +6723,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6725,8 +6733,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6735,8 +6743,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6745,8 +6753,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6755,8 +6763,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6765,8 +6773,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6775,8 +6783,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6785,8 +6793,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6795,8 +6803,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6805,8 +6813,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6815,8 +6823,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6825,8 +6833,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6835,8 +6843,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6845,8 +6853,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6855,8 +6863,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6865,8 +6873,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6875,8 +6883,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6885,8 +6893,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6895,8 +6903,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6905,8 +6913,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6915,8 +6923,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -6925,7 +6933,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -6935,8 +6943,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6945,8 +6953,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6955,8 +6963,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6965,8 +6973,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6975,8 +6983,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6985,8 +6993,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6995,8 +7003,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7005,8 +7013,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7015,8 +7023,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7025,8 +7033,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7035,9 +7043,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7046,8 +7054,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -7056,9 +7064,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -7067,9 +7075,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -7079,7 +7087,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -7088,7 +7096,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -7097,7 +7105,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -7110,8 +7118,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7120,8 +7128,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7130,8 +7138,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7140,8 +7148,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7150,8 +7158,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7160,8 +7168,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
     SCOPE = 'entity'
@@ -7170,7 +7178,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -7179,7 +7187,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -7188,7 +7196,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -7197,7 +7205,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -7206,7 +7214,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -7215,8 +7223,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -7225,8 +7233,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7235,8 +7243,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7245,8 +7253,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7255,8 +7263,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7265,8 +7273,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7275,8 +7283,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7285,8 +7293,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFixedReferenceSweptAreaSolid_DirectrixBounded:
     SCOPE = 'entity'
@@ -7295,9 +7303,9 @@ class IfcFixedReferenceSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4.ifcconic', 'ifc4.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
@@ -7307,8 +7315,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7317,8 +7325,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7327,8 +7335,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7337,8 +7345,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7347,8 +7355,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7357,8 +7365,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7367,8 +7375,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7377,8 +7385,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7387,8 +7395,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7397,8 +7405,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7407,8 +7415,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7417,8 +7425,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7427,8 +7435,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7437,8 +7445,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7447,8 +7455,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -7457,7 +7465,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -7466,8 +7474,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -7476,7 +7484,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -7486,9 +7494,9 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -7497,23 +7505,23 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -7522,12 +7530,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGrid_HasPlacement:
     SCOPE = 'entity'
@@ -7536,7 +7544,7 @@ class IfcGrid_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -7545,8 +7553,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -7555,9 +7563,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -7570,8 +7578,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7580,8 +7588,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7590,8 +7598,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7600,8 +7608,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7610,8 +7618,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7620,8 +7628,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -7630,8 +7638,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -7641,8 +7649,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
@@ -7652,11 +7660,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
@@ -7666,7 +7674,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (sizeof(segments) == 0 or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -7676,8 +7684,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7686,8 +7694,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7696,8 +7704,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -7706,7 +7714,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -7715,7 +7723,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7724,8 +7732,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7734,8 +7742,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7744,8 +7752,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -7754,9 +7762,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -7766,8 +7774,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7776,8 +7784,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7786,8 +7794,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7796,8 +7804,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7806,8 +7814,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7816,8 +7824,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7826,8 +7834,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7836,8 +7844,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -7846,9 +7854,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -7857,8 +7865,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
@@ -7868,7 +7876,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -7878,7 +7886,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -7891,7 +7899,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -7901,8 +7909,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7911,8 +7919,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7921,8 +7929,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7931,8 +7939,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7941,8 +7949,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7951,8 +7959,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7961,8 +7969,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7971,8 +7979,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -7981,7 +7989,7 @@ class IfcMemberStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7990,8 +7998,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -8003,8 +8011,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8013,8 +8021,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8023,8 +8031,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -8033,7 +8041,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -8042,7 +8050,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -8052,8 +8060,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -8062,8 +8070,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -8072,8 +8080,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -8082,8 +8090,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -8092,18 +8100,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8112,8 +8120,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8122,8 +8130,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8132,8 +8140,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -8142,9 +8150,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -8162,8 +8170,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -8172,9 +8180,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -8184,9 +8192,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -8196,7 +8204,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -8206,7 +8214,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -8216,8 +8224,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8226,8 +8234,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8236,8 +8244,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8246,8 +8254,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8256,8 +8264,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8266,8 +8274,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8276,8 +8284,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8286,8 +8294,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8296,8 +8304,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -8306,7 +8314,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -8316,7 +8324,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -8326,7 +8334,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -8336,9 +8344,9 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -8348,12 +8356,12 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8362,8 +8370,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8372,8 +8380,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -8382,7 +8390,7 @@ class IfcPlateStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8391,16 +8399,16 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -8409,8 +8417,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -8419,8 +8427,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -8429,7 +8437,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4.ifcpolyline', 'ifc4.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -8439,8 +8447,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -8449,13 +8457,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -8465,7 +8473,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4.ifcshaperepresentation', 'ifc4.ifcgeometricrepresentationitem', 'ifc4.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -8475,7 +8483,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4.ifcgeometricrepresentationitem', 'ifc4.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_HasName:
@@ -8485,7 +8493,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8494,8 +8502,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8504,8 +8512,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -8514,9 +8522,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -8525,7 +8533,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
@@ -8535,7 +8543,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_CorrectContext:
     SCOPE = 'entity'
@@ -8544,7 +8552,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -8553,7 +8561,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -8562,8 +8570,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
     SCOPE = 'entity'
@@ -8572,8 +8580,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -8583,8 +8591,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
@@ -8594,8 +8602,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -8605,8 +8613,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -8616,9 +8624,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -8627,7 +8635,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -8636,7 +8644,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -8645,7 +8653,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -8654,7 +8662,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -8664,7 +8672,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -8673,7 +8681,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -8683,8 +8691,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -8694,8 +8702,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -8704,8 +8712,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8714,8 +8722,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8724,8 +8732,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8734,8 +8742,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8744,8 +8752,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8754,8 +8762,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8764,8 +8772,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -8774,7 +8782,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8783,8 +8791,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8793,8 +8801,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8803,8 +8811,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -8813,7 +8821,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -8822,7 +8830,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -8832,7 +8840,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -8842,7 +8850,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -8851,7 +8859,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -8861,7 +8869,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -8870,7 +8878,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -8880,7 +8888,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -8889,7 +8897,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -8899,7 +8907,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -8908,7 +8916,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRailing_CorrectPredefinedType:
@@ -8918,8 +8926,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8928,8 +8936,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8938,8 +8946,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8948,8 +8956,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8958,8 +8966,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8968,8 +8976,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8978,8 +8986,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8988,8 +8996,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8998,8 +9006,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -9008,8 +9016,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -9021,8 +9029,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -9031,8 +9039,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -9044,9 +9052,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
@@ -9056,8 +9064,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
     SCOPE = 'entity'
@@ -9066,9 +9074,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -9077,8 +9085,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -9087,8 +9095,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -9098,8 +9106,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -9109,10 +9117,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4.ifcplane' in typeof(basissurface)) or 'ifc4.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -9122,9 +9130,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
@@ -9134,8 +9142,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9144,8 +9152,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9154,8 +9162,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -9164,8 +9172,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
@@ -9175,8 +9183,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9185,8 +9193,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9195,8 +9203,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -9205,8 +9213,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcRelAggregates_NoSelfReference:
@@ -9216,8 +9224,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -9227,8 +9235,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -9238,8 +9246,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -9248,8 +9256,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -9258,8 +9266,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -9268,8 +9276,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -9278,8 +9286,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -9288,8 +9296,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -9298,7 +9306,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -9307,7 +9315,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4.ifcelement', 'ifc4.ifcelementtype', 'ifc4.ifcwindowstyle', 'ifc4.ifcdoorstyle', 'ifc4.ifcstructuralmember', 'ifc4.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4.ifcelement', 'ifc4.ifcelementtype', 'ifc4.ifcwindowstyle', 'ifc4.ifcdoorstyle', 'ifc4.ifcstructuralmember', 'ifc4.ifcport']) == 0]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -9316,8 +9324,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -9327,7 +9335,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -9337,7 +9345,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -9347,8 +9355,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -9358,7 +9366,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -9368,8 +9376,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -9379,7 +9387,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NotSelfReference:
     SCOPE = 'entity'
@@ -9388,8 +9396,8 @@ class IfcRelInterferesElements_NotSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -9399,8 +9407,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -9410,7 +9418,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -9420,8 +9428,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -9431,9 +9439,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -9442,9 +9450,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -9453,7 +9461,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -9463,7 +9471,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
@@ -9473,8 +9481,8 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
     SCOPE = 'entity'
@@ -9483,12 +9491,12 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -9497,7 +9505,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9506,8 +9514,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9516,8 +9524,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9526,8 +9534,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -9536,11 +9544,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9549,8 +9557,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9559,8 +9567,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9569,8 +9577,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -9579,7 +9587,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -9588,7 +9596,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -9597,8 +9605,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
@@ -9608,8 +9616,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
     SCOPE = 'entity'
@@ -9618,8 +9626,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -9631,8 +9639,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9641,8 +9649,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9651,8 +9659,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9661,8 +9669,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9671,8 +9679,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9681,8 +9689,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -9691,8 +9699,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -9701,7 +9709,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -9710,7 +9718,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4.ifcvertexpoint', 'ifc4.ifcedgecurve', 'ifc4.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
@@ -9720,7 +9728,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -9729,7 +9737,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -9738,7 +9746,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -9750,8 +9758,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9760,8 +9768,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -9770,7 +9778,7 @@ class IfcSlabElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcSlabStandardCase_HasMaterialLayerSetusage:
     SCOPE = 'entity'
@@ -9779,7 +9787,7 @@ class IfcSlabStandardCase_HasMaterialLayerSetusage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9788,8 +9796,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9798,8 +9806,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9808,8 +9816,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9818,8 +9826,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -9831,8 +9839,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9841,8 +9849,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9851,8 +9859,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9861,8 +9869,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9871,8 +9879,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9881,8 +9889,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -9891,7 +9899,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9900,8 +9908,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9910,8 +9918,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9920,8 +9928,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9930,8 +9938,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9940,8 +9948,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9950,8 +9958,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9960,8 +9968,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9970,8 +9978,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9980,8 +9988,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9990,8 +9998,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10000,8 +10008,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10010,8 +10018,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -10020,8 +10028,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -10030,8 +10038,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -10040,8 +10048,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -10050,8 +10058,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -10060,8 +10068,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -10070,8 +10078,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -10080,8 +10088,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10090,7 +10098,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4.ifcstructuralloadlinearforce', 'ifc4.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4.ifcstructuralloadlinearforce', 'ifc4.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -10099,7 +10107,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -10108,7 +10116,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -10117,8 +10125,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -10128,10 +10136,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10140,7 +10148,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4.ifcstructuralloadplanarforce', 'ifc4.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4.ifcstructuralloadplanarforce', 'ifc4.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -10149,7 +10157,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10158,7 +10166,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4.ifcstructuralloadsingleforce', 'ifc4.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4.ifcstructuralloadsingleforce', 'ifc4.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10167,7 +10175,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4.ifcstructuralloadsingleforce', 'ifc4.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4.ifcstructuralloadsingleforce', 'ifc4.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -10176,8 +10184,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -10186,8 +10194,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -10196,8 +10204,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -10206,8 +10214,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -10216,8 +10224,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -10226,7 +10234,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -10236,7 +10244,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10245,8 +10253,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10255,8 +10263,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -10268,8 +10276,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -10278,7 +10286,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -10291,9 +10299,9 @@ class IfcSurfaceCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4.ifcconic', 'ifc4.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSurfaceFeature_HasObjectType:
@@ -10303,8 +10311,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -10313,17 +10321,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
     SCOPE = 'entity'
@@ -10332,9 +10340,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
@@ -10344,7 +10352,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -10354,7 +10362,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -10364,7 +10372,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
@@ -10374,7 +10382,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -10383,7 +10391,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -10392,7 +10400,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -10401,7 +10409,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
     SCOPE = 'entity'
@@ -10410,7 +10418,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -10419,8 +10427,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
     SCOPE = 'entity'
@@ -10429,8 +10437,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -10439,8 +10447,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
@@ -10450,9 +10458,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4.ifcconic', 'ifc4.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -10462,8 +10470,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -10472,7 +10480,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -10481,8 +10489,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10491,8 +10499,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10501,8 +10509,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10511,8 +10519,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10521,8 +10529,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10531,8 +10539,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10541,8 +10549,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -10551,8 +10559,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -10562,8 +10570,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -10573,8 +10581,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -10583,20 +10591,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10605,8 +10613,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10615,8 +10623,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10625,8 +10633,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -10635,7 +10643,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10644,8 +10652,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10654,8 +10662,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -10664,12 +10672,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -10679,8 +10687,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10689,8 +10697,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10699,8 +10707,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10709,8 +10717,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10719,8 +10727,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10729,8 +10737,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -10742,7 +10750,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -10752,7 +10760,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -10761,7 +10769,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -10770,7 +10778,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -10779,7 +10787,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -10788,8 +10796,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTransformer_CorrectPredefinedType:
@@ -10799,8 +10807,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10809,8 +10817,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifctranformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifctranformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10819,8 +10827,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10829,8 +10837,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10839,8 +10847,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10849,11 +10857,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
@@ -10863,7 +10871,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -10873,7 +10881,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
@@ -10883,7 +10891,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -10893,8 +10901,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10903,8 +10911,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10913,8 +10921,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -10923,7 +10931,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -10932,7 +10940,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -10942,7 +10950,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -10951,8 +10959,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -10962,8 +10970,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -10973,7 +10981,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -10983,8 +10991,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10993,8 +11001,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11003,8 +11011,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11013,8 +11021,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11023,8 +11031,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11033,8 +11041,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11043,8 +11051,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11053,8 +11061,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11063,8 +11071,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -11073,12 +11081,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11087,8 +11095,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11097,8 +11105,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11107,8 +11115,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -11117,8 +11125,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11127,8 +11135,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11137,8 +11145,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -11147,7 +11155,7 @@ class IfcWallElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -11156,7 +11164,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4.ifcrelassociates.relatedobjects') if 'ifc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11165,8 +11173,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11175,8 +11183,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11185,8 +11193,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11195,8 +11203,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectStyleAssigned:
     SCOPE = 'entity'
@@ -11205,8 +11213,8 @@ class IfcWindow_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -11215,8 +11223,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -11226,8 +11234,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -11237,8 +11245,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -11248,7 +11256,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -11257,7 +11265,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11266,8 +11274,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11276,8 +11284,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11286,8 +11294,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11296,8 +11304,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -11306,8 +11314,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -11317,19 +11325,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4.ifczone' in typeof(temp) or 'ifc4.ifcspace' in typeof(temp) or 'ifc4.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4.ifczone' in typeof(temp) or 'ifc4.ifcspace' in typeof(temp) or 'ifc4.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -11339,11 +11347,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -11357,13 +11365,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -11381,7 +11389,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -11418,11 +11426,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -11602,7 +11610,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -11613,27 +11621,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -11645,26 +11653,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -11673,17 +11681,17 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4.ifcoffsetcurve3d' in typeof(curve):
@@ -11691,13 +11699,13 @@ def IfcCurveDim(curve):
     if 'ifc4.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -11705,13 +11713,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -11781,15 +11789,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -11798,36 +11806,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcListToArray(lis, low, u):
@@ -11844,9 +11852,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -11864,10 +11872,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -11878,25 +11886,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -11908,18 +11916,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -11930,32 +11938,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -11976,15 +11984,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -12000,71 +12008,71 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4.ifcpoint', 'ifc4.ifccurve', 'ifc4.ifcgeometriccurveset', 'ifc4.ifcannotationfillarea', 'ifc4.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4.ifcgeometricset' in typeof(temp) or 'ifc4.ifcpoint' in typeof(temp) or 'ifc4.ifccurve' in typeof(temp) or ('ifc4.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4.ifcgeometriccurveset' in typeof(temp) or 'ifc4.ifcgeometricset' in typeof(temp) or 'ifc4.ifcpoint' in typeof(temp) or ('ifc4.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4.ifctessellateditem', 'ifc4.ifcshellbasedsurfacemodel', 'ifc4.ifcfacebasedsurfacemodel', 'ifc4.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4.ifctessellateditem', 'ifc4.ifcshellbasedsurfacemodel', 'ifc4.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4.ifcextrudedareasolid', 'ifc4.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4.ifcextrudedareasolidtapered', 'ifc4.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4.ifcsweptareasolid', 'ifc4.ifcsweptdisksolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4.ifcbooleanresult', 'ifc4.ifccsgprimitive3d', 'ifc4.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4.ifccsgsolid', 'ifc4.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -12072,9 +12080,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -12084,28 +12092,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4.ifcopenshell' in typeof(temp) or 'ifc4.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -12116,7 +12124,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4.ifcpropertysetdefinitionset' in typeof(definition):
@@ -12129,7 +12137,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -12137,7 +12145,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -12145,41 +12153,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -12187,31 +12195,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X1.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X1.py
index 10f1435d08..a439d6326c 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X1.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X1.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,4265 +147,4266 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNullStyle = enum_namespace()
-null = getattr(IfcNullStyle, 'NULL', INDETERMINATE)
+null = express_getattr(IfcNullStyle, 'NULL', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransitionCurveType = enum_namespace()
-biquadraticparabola = getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
-blosscurve = getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
-clothoidcurve = getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
-cubicparabola = getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
-sinecurve = getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
+biquadraticparabola = express_getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
+blosscurve = express_getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
+clothoidcurve = express_getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
+cubicparabola = express_getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
+sinecurve = express_getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-craneway = getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X1')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignment2DHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DHorizontal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DHorizontal', *args, **kwargs)
 
 def IfcAlignment2DHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DHorizontalSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DHorizontalSegment', *args, **kwargs)
 
 def IfcAlignment2DSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DSegment', *args, **kwargs)
 
 def IfcAlignment2DVerSegCircularArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegCircularArc', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegCircularArc', *args, **kwargs)
 
 def IfcAlignment2DVerSegLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegLine', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegLine', *args, **kwargs)
 
 def IfcAlignment2DVerSegParabolicArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegParabolicArc', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegParabolicArc', *args, **kwargs)
 
 def IfcAlignment2DVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVertical', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVertical', *args, **kwargs)
 
 def IfcAlignment2DVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerticalSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerticalSegment', *args, **kwargs)
 
 def IfcAlignmentCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCurve', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamStandardCase', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElement', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCircularArcSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircularArcSegment2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircularArcSegment2D', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnStandardCase', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment2D', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistanceExpression', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistanceExpression', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStandardCase', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLineSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLineSegment2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLineSegment2D', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberStandardCase', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpeningStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningStandardCase', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientationExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientationExpression', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientationExpression', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateStandardCase', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcPresentationStyleAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyleAssignment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyleAssignment', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabElementedCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabElementedCase', *args, **kwargs)
 
 def IfcSlabStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabStandardCase', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransitionCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransitionCurveSegment2D', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransitionCurveSegment2D', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallElementedCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallElementedCase', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStandardCase', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStandardCase', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X1', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -4407,7 +4415,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -4488,7 +4496,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -4497,7 +4505,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -4506,7 +4514,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -4605,7 +4613,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -4614,7 +4622,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -4623,7 +4631,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -4632,8 +4640,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4642,8 +4650,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4652,8 +4660,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4662,8 +4670,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -4672,8 +4680,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -4682,7 +4690,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x1.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x1.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -4691,8 +4699,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -4701,7 +4709,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x1.ifcelementarysurface', 'ifc4x1.ifcsweptsurface', 'ifc4x1.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x1.ifcelementarysurface', 'ifc4x1.ifcsweptsurface', 'ifc4x1.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -4710,7 +4718,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x1.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x1.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -4719,7 +4727,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x1.ifcline', 'ifc4x1.ifcconic', 'ifc4x1.ifcpolyline', 'ifc4x1.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x1.ifcline', 'ifc4x1.ifcconic', 'ifc4x1.ifcpolyline', 'ifc4x1.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4728,8 +4736,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4738,8 +4746,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4748,8 +4756,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4758,8 +4766,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4768,8 +4776,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4778,8 +4786,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4788,8 +4796,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4798,8 +4806,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4808,8 +4816,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4818,8 +4826,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4828,8 +4836,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4838,8 +4846,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -4848,8 +4856,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -4859,8 +4867,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -4869,7 +4877,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x1.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -4879,7 +4887,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x1.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -4889,7 +4897,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x1.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x1.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -4898,8 +4906,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -4908,7 +4916,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -4917,8 +4925,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -4927,7 +4935,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x1.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -4937,9 +4945,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -4949,9 +4957,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -4961,9 +4969,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -4973,9 +4981,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -4985,8 +4993,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4995,8 +5003,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5005,8 +5013,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5015,8 +5023,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5025,10 +5033,10 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_RefDirIs2D:
@@ -5038,8 +5046,8 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIs2D:
     SCOPE = 'entity'
@@ -5048,10 +5056,10 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_LocationIs3D:
@@ -5061,7 +5069,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
     SCOPE = 'entity'
@@ -5070,8 +5078,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5080,8 +5088,8 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5090,9 +5098,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
     SCOPE = 'entity'
@@ -5101,13 +5109,13 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcBSplineCurve_SameDim:
@@ -5117,16 +5125,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5136,11 +5144,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5150,26 +5158,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5179,10 +5187,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5191,10 +5199,10 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
     SCOPE = 'entity'
@@ -5203,8 +5211,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -5214,16 +5222,16 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -5233,8 +5241,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5243,8 +5251,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -5253,7 +5261,7 @@ class IfcBeamStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5262,8 +5270,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
     SCOPE = 'entity'
@@ -5272,7 +5280,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -5281,7 +5289,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBoiler_CorrectPredefinedType:
@@ -5291,8 +5299,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5301,8 +5309,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5311,8 +5319,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -5321,7 +5329,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x1.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x1.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x1.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -5331,7 +5339,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x1.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -5341,7 +5349,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_SameDim:
@@ -5351,9 +5359,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
     SCOPE = 'entity'
@@ -5362,8 +5370,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -5372,12 +5380,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -5386,7 +5394,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -5398,7 +5406,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x1.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x1.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBuildingElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -5407,7 +5415,7 @@ class IfcBuildingElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5416,8 +5424,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5426,8 +5434,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5436,8 +5444,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -5446,7 +5454,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5455,8 +5463,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5465,8 +5473,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5475,8 +5483,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5485,8 +5493,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5495,8 +5503,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5505,8 +5513,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -5515,8 +5523,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -5526,10 +5534,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -5539,9 +5547,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -5551,8 +5559,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5561,8 +5569,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5571,8 +5579,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5581,8 +5589,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5591,8 +5599,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5601,8 +5609,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5611,8 +5619,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5621,8 +5629,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5631,8 +5639,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5641,8 +5649,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5651,8 +5659,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5661,8 +5669,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -5671,11 +5679,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -5688,16 +5696,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -5706,7 +5714,7 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -5715,7 +5723,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -5724,10 +5732,10 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -5736,12 +5744,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -5750,7 +5758,7 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -5759,7 +5767,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -5768,7 +5776,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -5777,12 +5785,12 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -5791,7 +5799,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -5801,16 +5809,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5819,8 +5827,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5829,8 +5837,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5839,8 +5847,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5849,8 +5857,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5859,8 +5867,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5869,8 +5877,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -5879,8 +5887,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5889,8 +5897,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5899,8 +5907,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5909,8 +5917,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5919,8 +5927,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5929,8 +5937,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -5939,7 +5947,7 @@ class IfcColumnStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5948,8 +5956,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5958,8 +5966,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5968,8 +5976,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5978,8 +5986,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -5988,7 +5996,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -5998,7 +6006,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6008,7 +6016,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6018,7 +6026,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6028,9 +6036,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6039,17 +6047,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6058,7 +6066,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6071,12 +6079,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x1.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6085,8 +6093,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6095,7 +6103,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x1.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6105,8 +6113,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6115,8 +6123,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6125,8 +6133,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6135,8 +6143,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6145,8 +6153,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6155,8 +6163,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -6165,8 +6173,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6175,8 +6183,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6185,8 +6193,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6195,8 +6203,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6205,8 +6213,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6215,8 +6223,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6225,8 +6233,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6235,8 +6243,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6245,8 +6253,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6255,8 +6263,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6265,8 +6273,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6275,8 +6283,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6285,8 +6293,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6295,8 +6303,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6305,8 +6313,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6315,8 +6323,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6325,8 +6333,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6335,8 +6343,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6345,8 +6353,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6355,8 +6363,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6365,8 +6373,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -6378,8 +6386,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6388,8 +6396,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6398,8 +6406,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -6411,7 +6419,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x1.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x1.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyle_IdentifiableCurveStyle:
@@ -6421,9 +6429,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -6433,7 +6441,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -6443,8 +6451,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6453,8 +6461,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6463,8 +6471,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6473,8 +6481,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -6483,8 +6491,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -6493,11 +6501,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -6507,11 +6515,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -6521,8 +6529,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6531,8 +6539,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6541,8 +6549,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6551,8 +6559,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6561,8 +6569,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6571,8 +6579,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -6581,8 +6589,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectStyleAssigned:
@@ -6592,8 +6600,8 @@ class IfcDoor_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -6602,8 +6610,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -6613,8 +6621,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -6624,8 +6632,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -6635,8 +6643,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -6646,7 +6654,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -6655,7 +6663,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6664,8 +6672,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -6674,7 +6682,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -6683,7 +6691,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6692,8 +6700,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6702,8 +6710,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6712,8 +6720,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6722,8 +6730,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6732,8 +6740,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6742,8 +6750,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6752,8 +6760,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6762,8 +6770,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6772,8 +6780,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -6782,9 +6790,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -6796,7 +6804,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -6806,8 +6814,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6816,8 +6824,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6826,8 +6834,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6836,8 +6844,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6846,8 +6854,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6856,8 +6864,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6866,8 +6874,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6876,8 +6884,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6886,8 +6894,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6896,8 +6904,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6906,8 +6914,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6916,8 +6924,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6926,8 +6934,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6936,8 +6944,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6946,8 +6954,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6956,8 +6964,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6966,8 +6974,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6976,8 +6984,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6986,8 +6994,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6996,8 +7004,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7006,8 +7014,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -7016,7 +7024,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -7026,8 +7034,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7036,8 +7044,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7046,8 +7054,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7056,8 +7064,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7066,8 +7074,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7076,8 +7084,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7086,8 +7094,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7096,8 +7104,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7106,8 +7114,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7116,8 +7124,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7126,9 +7134,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7137,8 +7145,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -7147,9 +7155,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -7158,9 +7166,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -7170,7 +7178,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -7179,7 +7187,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -7188,7 +7196,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x1.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -7201,8 +7209,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7211,8 +7219,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7221,8 +7229,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7231,8 +7239,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7241,8 +7249,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7251,8 +7259,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
     SCOPE = 'entity'
@@ -7261,7 +7269,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -7270,7 +7278,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -7279,7 +7287,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x1.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x1.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -7288,7 +7296,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -7297,7 +7305,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -7306,8 +7314,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -7316,8 +7324,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7326,8 +7334,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7336,8 +7344,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7346,8 +7354,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7356,8 +7364,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7366,8 +7374,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7376,8 +7384,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFixedReferenceSweptAreaSolid_DirectrixBounded:
     SCOPE = 'entity'
@@ -7386,9 +7394,9 @@ class IfcFixedReferenceSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x1.ifcconic', 'ifc4x1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
@@ -7398,8 +7406,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7408,8 +7416,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7418,8 +7426,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7428,8 +7436,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7438,8 +7446,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7448,8 +7456,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7458,8 +7466,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7468,8 +7476,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7478,8 +7486,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7488,8 +7496,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7498,8 +7506,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7508,8 +7516,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7518,8 +7526,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7528,8 +7536,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7538,8 +7546,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -7548,7 +7556,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x1.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x1.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -7557,8 +7565,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -7567,7 +7575,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x1.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -7577,9 +7585,9 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -7588,23 +7596,23 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -7613,12 +7621,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -7627,8 +7635,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -7637,9 +7645,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -7652,8 +7660,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7662,8 +7670,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7672,8 +7680,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7682,8 +7690,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7692,8 +7700,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7702,8 +7710,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -7712,8 +7720,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -7723,8 +7731,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
@@ -7734,11 +7742,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
@@ -7748,7 +7756,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (sizeof(segments) == 0 or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -7758,8 +7766,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7768,8 +7776,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7778,8 +7786,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -7788,7 +7796,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -7797,7 +7805,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7806,8 +7814,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7816,8 +7824,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7826,8 +7834,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -7836,9 +7844,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -7848,8 +7856,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7858,8 +7866,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7868,8 +7876,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7878,8 +7886,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7888,8 +7896,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7898,8 +7906,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7908,8 +7916,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7918,8 +7926,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -7928,9 +7936,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -7939,8 +7947,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
@@ -7950,7 +7958,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x1.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -7960,7 +7968,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -7973,7 +7981,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -7983,8 +7991,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7993,8 +8001,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8003,8 +8011,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8013,8 +8021,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8023,8 +8031,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8033,8 +8041,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8043,8 +8051,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8053,8 +8061,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -8063,7 +8071,7 @@ class IfcMemberStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8072,8 +8080,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -8085,8 +8093,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8095,8 +8103,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8105,8 +8113,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -8115,7 +8123,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -8124,7 +8132,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -8134,8 +8142,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -8144,8 +8152,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -8154,8 +8162,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -8164,8 +8172,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -8174,18 +8182,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x1.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8194,8 +8202,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8204,8 +8212,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8214,8 +8222,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -8224,9 +8232,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -8244,8 +8252,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -8254,9 +8262,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -8266,9 +8274,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -8278,7 +8286,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -8288,7 +8296,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -8298,8 +8306,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8308,8 +8316,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8318,8 +8326,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8328,8 +8336,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8338,8 +8346,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8348,8 +8356,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8358,8 +8366,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8368,8 +8376,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8378,8 +8386,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -8388,7 +8396,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -8398,7 +8406,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -8408,7 +8416,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -8418,9 +8426,9 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -8430,12 +8438,12 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8444,8 +8452,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8454,8 +8462,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -8464,7 +8472,7 @@ class IfcPlateStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8473,16 +8481,16 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -8491,8 +8499,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -8501,8 +8509,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -8511,7 +8519,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x1.ifcpolyline', 'ifc4x1.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -8521,8 +8529,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPositioningElement_HasPlacement:
     SCOPE = 'entity'
@@ -8531,7 +8539,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -8540,13 +8548,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -8556,7 +8564,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x1.ifcshaperepresentation', 'ifc4x1.ifcgeometricrepresentationitem', 'ifc4x1.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -8566,7 +8574,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x1.ifcgeometricrepresentationitem', 'ifc4x1.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_HasName:
@@ -8576,7 +8584,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8585,8 +8593,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8595,8 +8603,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -8605,9 +8613,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -8616,7 +8624,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x1.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
@@ -8626,7 +8634,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_CorrectContext:
     SCOPE = 'entity'
@@ -8635,7 +8643,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -8644,7 +8652,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -8653,8 +8661,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
     SCOPE = 'entity'
@@ -8663,8 +8671,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -8674,8 +8682,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
@@ -8685,8 +8693,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -8696,8 +8704,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -8707,9 +8715,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -8718,7 +8726,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -8727,7 +8735,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -8736,7 +8744,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -8745,7 +8753,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -8755,7 +8763,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -8764,7 +8772,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -8774,8 +8782,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -8785,8 +8793,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -8795,8 +8803,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8805,8 +8813,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8815,8 +8823,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8825,8 +8833,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8835,8 +8843,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8845,8 +8853,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8855,8 +8863,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -8865,7 +8873,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8874,8 +8882,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8884,8 +8892,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8894,8 +8902,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -8904,7 +8912,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -8913,7 +8921,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -8923,7 +8931,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -8933,7 +8941,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -8942,7 +8950,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -8952,7 +8960,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -8961,7 +8969,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -8971,7 +8979,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -8980,7 +8988,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -8990,7 +8998,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -8999,7 +9007,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRailing_CorrectPredefinedType:
@@ -9009,8 +9017,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9019,8 +9027,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9029,8 +9037,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9039,8 +9047,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9049,8 +9057,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9059,8 +9067,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9069,8 +9077,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9079,8 +9087,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9089,8 +9097,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -9099,8 +9107,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -9112,8 +9120,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -9122,8 +9130,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -9135,9 +9143,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
@@ -9147,8 +9155,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
     SCOPE = 'entity'
@@ -9157,9 +9165,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -9168,8 +9176,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -9178,8 +9186,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -9189,8 +9197,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -9200,10 +9208,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x1.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x1.ifcplane' in typeof(basissurface)) or 'ifc4x1.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -9213,9 +9221,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
@@ -9225,8 +9233,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9235,8 +9243,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9245,8 +9253,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -9255,8 +9263,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
@@ -9266,8 +9274,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9276,8 +9284,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9286,8 +9294,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -9296,8 +9304,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcRelAggregates_NoSelfReference:
@@ -9307,8 +9315,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -9318,8 +9326,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -9329,8 +9337,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -9339,8 +9347,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -9349,8 +9357,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -9359,8 +9367,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -9369,8 +9377,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -9379,8 +9387,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -9389,7 +9397,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -9398,7 +9406,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x1.ifcelement', 'ifc4x1.ifcelementtype', 'ifc4x1.ifcwindowstyle', 'ifc4x1.ifcdoorstyle', 'ifc4x1.ifcstructuralmember', 'ifc4x1.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x1.ifcelement', 'ifc4x1.ifcelementtype', 'ifc4x1.ifcwindowstyle', 'ifc4x1.ifcdoorstyle', 'ifc4x1.ifcstructuralmember', 'ifc4x1.ifcport']) == 0]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -9407,8 +9415,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -9418,7 +9426,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -9428,7 +9436,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -9438,8 +9446,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -9449,7 +9457,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x1.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -9459,8 +9467,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -9470,7 +9478,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x1.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x1.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NotSelfReference:
     SCOPE = 'entity'
@@ -9479,8 +9487,8 @@ class IfcRelInterferesElements_NotSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -9490,8 +9498,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -9501,7 +9509,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x1.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x1.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -9511,8 +9519,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -9522,9 +9530,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -9533,9 +9541,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -9544,7 +9552,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -9554,7 +9562,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x1.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
@@ -9564,8 +9572,8 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
     SCOPE = 'entity'
@@ -9574,12 +9582,12 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -9588,7 +9596,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9597,8 +9605,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9607,8 +9615,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9617,8 +9625,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -9627,11 +9635,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9640,8 +9648,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9650,8 +9658,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9660,8 +9668,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -9670,7 +9678,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -9679,7 +9687,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -9688,8 +9696,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -9698,8 +9706,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -9708,7 +9716,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -9718,8 +9726,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -9729,8 +9737,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -9739,8 +9747,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
@@ -9750,8 +9758,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
     SCOPE = 'entity'
@@ -9760,8 +9768,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -9773,8 +9781,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9783,8 +9791,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9793,8 +9801,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9803,8 +9811,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9813,8 +9821,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9823,8 +9831,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -9833,8 +9841,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -9843,7 +9851,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x1.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x1.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -9852,7 +9860,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x1.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x1.ifcvertexpoint', 'ifc4x1.ifcedgecurve', 'ifc4x1.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
@@ -9862,7 +9870,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -9871,7 +9879,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -9880,7 +9888,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -9892,8 +9900,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9902,8 +9910,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -9912,7 +9920,7 @@ class IfcSlabElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcSlabStandardCase_HasMaterialLayerSetusage:
     SCOPE = 'entity'
@@ -9921,7 +9929,7 @@ class IfcSlabStandardCase_HasMaterialLayerSetusage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9930,8 +9938,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9940,8 +9948,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9950,8 +9958,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9960,8 +9968,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -9973,8 +9981,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9983,8 +9991,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9993,8 +10001,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10003,8 +10011,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10013,8 +10021,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10023,8 +10031,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -10033,7 +10041,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x1.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x1.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x1.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x1.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10042,8 +10050,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10052,8 +10060,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10062,8 +10070,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10072,8 +10080,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10082,8 +10090,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10092,8 +10100,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10102,8 +10110,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10112,8 +10120,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10122,8 +10130,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10132,8 +10140,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10142,8 +10150,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10152,8 +10160,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -10162,8 +10170,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -10172,8 +10180,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -10182,8 +10190,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -10192,8 +10200,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -10202,8 +10210,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -10212,8 +10220,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -10222,8 +10230,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10232,7 +10240,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x1.ifcstructuralloadlinearforce', 'ifc4x1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x1.ifcstructuralloadlinearforce', 'ifc4x1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -10241,7 +10249,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -10250,7 +10258,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -10259,8 +10267,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -10270,10 +10278,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10282,7 +10290,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x1.ifcstructuralloadplanarforce', 'ifc4x1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x1.ifcstructuralloadplanarforce', 'ifc4x1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -10291,7 +10299,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10300,7 +10308,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x1.ifcstructuralloadsingleforce', 'ifc4x1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x1.ifcstructuralloadsingleforce', 'ifc4x1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10309,7 +10317,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x1.ifcstructuralloadsingleforce', 'ifc4x1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x1.ifcstructuralloadsingleforce', 'ifc4x1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -10318,8 +10326,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -10328,8 +10336,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -10338,8 +10346,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -10348,8 +10356,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -10358,8 +10366,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -10368,7 +10376,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x1.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -10378,7 +10386,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x1.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x1.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10387,8 +10395,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10397,8 +10405,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -10410,8 +10418,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -10420,7 +10428,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x1.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -10433,9 +10441,9 @@ class IfcSurfaceCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x1.ifcconic', 'ifc4x1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSurfaceFeature_HasObjectType:
@@ -10445,8 +10453,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -10455,17 +10463,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
     SCOPE = 'entity'
@@ -10474,9 +10482,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
@@ -10486,7 +10494,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -10496,7 +10504,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -10506,7 +10514,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
@@ -10516,7 +10524,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -10525,7 +10533,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -10534,7 +10542,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -10543,7 +10551,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
     SCOPE = 'entity'
@@ -10552,7 +10560,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -10561,8 +10569,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
     SCOPE = 'entity'
@@ -10571,8 +10579,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -10581,8 +10589,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
@@ -10592,9 +10600,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x1.ifcconic', 'ifc4x1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -10604,8 +10612,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -10614,7 +10622,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x1.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x1.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x1.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x1.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -10623,8 +10631,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10633,8 +10641,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10643,8 +10651,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10653,8 +10661,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10663,8 +10671,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10673,8 +10681,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10683,8 +10691,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -10693,8 +10701,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -10704,8 +10712,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -10715,8 +10723,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -10725,20 +10733,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10747,8 +10755,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10757,8 +10765,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10767,8 +10775,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -10777,7 +10785,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10786,8 +10794,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10796,8 +10804,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -10806,12 +10814,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -10821,8 +10829,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10831,8 +10839,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10841,8 +10849,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10851,8 +10859,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10861,8 +10869,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10871,8 +10879,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -10884,7 +10892,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x1.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -10894,7 +10902,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x1.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x1.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -10903,7 +10911,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -10912,7 +10920,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -10921,7 +10929,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -10930,8 +10938,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTransformer_CorrectPredefinedType:
@@ -10941,8 +10949,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10951,8 +10959,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctranformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctranformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10961,8 +10969,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10971,8 +10979,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10981,8 +10989,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10991,11 +10999,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -11005,7 +11013,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
     SCOPE = 'entity'
@@ -11014,7 +11022,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -11024,7 +11032,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
@@ -11034,7 +11042,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x1.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -11044,8 +11052,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11054,8 +11062,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11064,8 +11072,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -11074,7 +11082,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -11083,7 +11091,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -11093,7 +11101,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x1.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x1.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -11102,8 +11110,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -11113,8 +11121,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -11124,7 +11132,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -11134,8 +11142,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11144,8 +11152,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11154,8 +11162,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11164,8 +11172,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11174,8 +11182,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11184,8 +11192,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11194,8 +11202,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11204,8 +11212,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11214,8 +11222,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -11224,12 +11232,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11238,8 +11246,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11248,8 +11256,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11258,8 +11266,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -11268,8 +11276,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11278,8 +11286,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11288,8 +11296,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -11298,7 +11306,7 @@ class IfcWallElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -11307,7 +11315,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x1.ifcrelassociates.relatedobjects') if 'ifc4x1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11316,8 +11324,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11326,8 +11334,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11336,8 +11344,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11346,8 +11354,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectStyleAssigned:
     SCOPE = 'entity'
@@ -11356,8 +11364,8 @@ class IfcWindow_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x1.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -11366,8 +11374,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -11377,8 +11385,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -11388,8 +11396,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -11399,7 +11407,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -11408,7 +11416,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x1.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11417,8 +11425,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11427,8 +11435,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11437,8 +11445,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11447,8 +11455,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -11457,8 +11465,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -11468,19 +11476,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x1.ifczone' in typeof(temp) or 'ifc4x1.ifcspace' in typeof(temp) or 'ifc4x1.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x1.ifczone' in typeof(temp) or 'ifc4x1.ifcspace' in typeof(temp) or 'ifc4x1.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -11490,11 +11498,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -11508,13 +11516,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -11532,7 +11540,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -11569,11 +11577,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -11753,7 +11761,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x1.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x1.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -11764,27 +11772,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x1.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x1.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x1.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x1.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x1.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x1.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x1.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -11796,26 +11804,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x1.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x1.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x1.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x1.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x1.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -11824,17 +11832,17 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x1.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x1.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x1.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x1.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x1.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x1.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x1.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x1.ifcoffsetcurve3d' in typeof(curve):
@@ -11848,13 +11856,13 @@ def IfcCurveDim(curve):
     if 'ifc4x1.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x1.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -11862,13 +11870,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -11938,15 +11946,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -11955,36 +11963,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x1.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x1.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x1.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcListToArray(lis, low, u):
@@ -12001,9 +12009,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -12021,10 +12029,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -12035,25 +12043,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x1.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x1.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -12065,18 +12073,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -12087,32 +12095,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -12133,15 +12141,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x1.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -12157,71 +12165,71 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x1.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x1.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x1.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x1.ifcpoint', 'ifc4x1.ifccurve', 'ifc4x1.ifcgeometriccurveset', 'ifc4x1.ifcannotationfillarea', 'ifc4x1.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcgeometricset' in typeof(temp) or 'ifc4x1.ifcpoint' in typeof(temp) or 'ifc4x1.ifccurve' in typeof(temp) or ('ifc4x1.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcgeometriccurveset' in typeof(temp) or 'ifc4x1.ifcgeometricset' in typeof(temp) or 'ifc4x1.ifcpoint' in typeof(temp) or ('ifc4x1.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x1.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x1.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x1.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x1.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x1.ifctessellateditem', 'ifc4x1.ifcshellbasedsurfacemodel', 'ifc4x1.ifcfacebasedsurfacemodel', 'ifc4x1.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x1.ifctessellateditem', 'ifc4x1.ifcshellbasedsurfacemodel', 'ifc4x1.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x1.ifcextrudedareasolid', 'ifc4x1.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x1.ifcextrudedareasolidtapered', 'ifc4x1.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x1.ifcsweptareasolid', 'ifc4x1.ifcsweptdisksolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x1.ifcbooleanresult', 'ifc4x1.ifccsgprimitive3d', 'ifc4x1.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x1.ifccsgsolid', 'ifc4x1.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x1.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -12229,9 +12237,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -12241,28 +12249,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x1.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x1.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x1.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x1.ifcopenshell' in typeof(temp) or 'ifc4x1.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -12273,7 +12281,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x1.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x1.ifcpropertysetdefinitionset' in typeof(definition):
@@ -12286,7 +12294,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -12294,7 +12302,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x1.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -12302,41 +12310,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -12344,31 +12352,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X2.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X2.py
index c08d0ca3d3..1f5afbb430 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X2.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X2.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,4416 +147,4417 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeDisplacementEnum = enum_namespace()
-fixed_movement = getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
-guided_longitudinal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
-guided_transversal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
-free_movement = getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
+fixed_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
+guided_longitudinal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
+guided_transversal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
+free_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-reinforcing = getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-prestressing = getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+reinforcing = express_getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+prestressing = express_getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNullStyle = enum_namespace()
-null = getattr(IfcNullStyle, 'NULL', INDETERMINATE)
+null = express_getattr(IfcNullStyle, 'NULL', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransitionCurveType = enum_namespace()
-biquadraticparabola = getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
-blosscurve = getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
-clothoidcurve = getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
-cubicparabola = getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
-sinecurve = getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
+biquadraticparabola = express_getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
+blosscurve = express_getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
+clothoidcurve = express_getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
+cubicparabola = express_getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
+sinecurve = express_getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-craneway = getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X2')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignment2DHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DHorizontal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DHorizontal', *args, **kwargs)
 
 def IfcAlignment2DHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DHorizontalSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DHorizontalSegment', *args, **kwargs)
 
 def IfcAlignment2DSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DSegment', *args, **kwargs)
 
 def IfcAlignment2DVerSegCircularArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegCircularArc', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegCircularArc', *args, **kwargs)
 
 def IfcAlignment2DVerSegLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegLine', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegLine', *args, **kwargs)
 
 def IfcAlignment2DVerSegParabolicArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegParabolicArc', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegParabolicArc', *args, **kwargs)
 
 def IfcAlignment2DVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVertical', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVertical', *args, **kwargs)
 
 def IfcAlignment2DVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerticalSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerticalSegment', *args, **kwargs)
 
 def IfcAlignmentCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCurve', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamStandardCase', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBridgePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridgePart', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBridgePart', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElement', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCircularArcSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircularArcSegment2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircularArcSegment2D', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnStandardCase', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment2D', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistanceExpression', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistanceExpression', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStandardCase', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLineSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLineSegment2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLineSegment2D', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberStandardCase', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpeningStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningStandardCase', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientationExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientationExpression', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientationExpression', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateStandardCase', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcPresentationStyleAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyleAssignment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyleAssignment', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabElementedCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabElementedCase', *args, **kwargs)
 
 def IfcSlabStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabStandardCase', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransitionCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransitionCurveSegment2D', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransitionCurveSegment2D', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallElementedCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallElementedCase', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStandardCase', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStandardCase', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X2', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -4558,7 +4566,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -4639,7 +4647,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -4648,7 +4656,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -4657,7 +4665,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -4756,7 +4764,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -4765,7 +4773,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -4774,7 +4782,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -4783,8 +4791,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4793,8 +4801,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4803,8 +4811,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4813,8 +4821,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -4823,8 +4831,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -4833,7 +4841,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x2.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x2.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -4842,8 +4850,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x2.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x2.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -4852,7 +4860,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x2.ifcelementarysurface', 'ifc4x2.ifcsweptsurface', 'ifc4x2.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x2.ifcelementarysurface', 'ifc4x2.ifcsweptsurface', 'ifc4x2.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -4861,7 +4869,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x2.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x2.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x2.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x2.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -4870,7 +4878,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x2.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x2.ifcline', 'ifc4x2.ifcconic', 'ifc4x2.ifcpolyline', 'ifc4x2.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x2.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x2.ifcline', 'ifc4x2.ifcconic', 'ifc4x2.ifcpolyline', 'ifc4x2.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4879,8 +4887,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4889,8 +4897,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4899,8 +4907,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4909,8 +4917,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4919,8 +4927,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4929,8 +4937,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4939,8 +4947,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4949,8 +4957,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4959,8 +4967,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4969,8 +4977,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -4979,8 +4987,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -4989,8 +4997,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -4999,8 +5007,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5010,8 +5018,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5020,7 +5028,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x2.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5030,7 +5038,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x2.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5040,7 +5048,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x2.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x2.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5049,8 +5057,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5059,7 +5067,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5068,8 +5076,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5078,7 +5086,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x2.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5088,9 +5096,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5100,9 +5108,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5112,9 +5120,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5124,9 +5132,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5136,8 +5144,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5146,8 +5154,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5156,8 +5164,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5166,8 +5174,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5176,10 +5184,10 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_RefDirIs2D:
@@ -5189,8 +5197,8 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIs2D:
     SCOPE = 'entity'
@@ -5199,10 +5207,10 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_LocationIs3D:
@@ -5212,7 +5220,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
     SCOPE = 'entity'
@@ -5221,8 +5229,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5231,8 +5239,8 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5241,9 +5249,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
     SCOPE = 'entity'
@@ -5252,13 +5260,13 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcBSplineCurve_SameDim:
@@ -5268,16 +5276,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5287,11 +5295,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5301,26 +5309,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5330,10 +5338,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5342,10 +5350,10 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
     SCOPE = 'entity'
@@ -5354,8 +5362,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -5365,16 +5373,16 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -5384,8 +5392,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5394,8 +5402,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -5404,7 +5412,7 @@ class IfcBeamStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5413,8 +5421,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5423,8 +5431,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5433,8 +5441,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5443,8 +5451,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
     SCOPE = 'entity'
@@ -5453,7 +5461,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -5462,7 +5470,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBoiler_CorrectPredefinedType:
@@ -5472,8 +5480,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5482,8 +5490,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5492,8 +5500,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -5502,7 +5510,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x2.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x2.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x2.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -5512,7 +5520,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x2.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -5522,7 +5530,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_SameDim:
@@ -5532,9 +5540,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
     SCOPE = 'entity'
@@ -5543,8 +5551,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x2.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x2.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -5553,12 +5561,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x2.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x2.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -5567,7 +5575,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -5579,7 +5587,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x2.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x2.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBuildingElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -5588,7 +5596,7 @@ class IfcBuildingElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5597,8 +5605,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5607,8 +5615,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5617,8 +5625,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -5627,7 +5635,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5636,8 +5644,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5646,8 +5654,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5656,8 +5664,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5666,8 +5674,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5676,8 +5684,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5686,8 +5694,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -5696,8 +5704,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -5707,10 +5715,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -5720,9 +5728,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -5732,8 +5740,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5742,8 +5750,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5752,8 +5760,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5762,8 +5770,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5772,8 +5780,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5782,8 +5790,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5792,8 +5800,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5802,8 +5810,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5812,8 +5820,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5822,8 +5830,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5832,8 +5840,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5842,8 +5850,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5852,8 +5860,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5862,8 +5870,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5872,8 +5880,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -5882,11 +5890,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -5899,16 +5907,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -5917,7 +5925,7 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -5926,7 +5934,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -5935,10 +5943,10 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -5947,12 +5955,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -5961,7 +5969,7 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -5970,7 +5978,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -5979,7 +5987,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -5988,12 +5996,12 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6002,7 +6010,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6012,16 +6020,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6030,8 +6038,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6040,8 +6048,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6050,8 +6058,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6060,8 +6068,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6070,8 +6078,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6080,8 +6088,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6090,8 +6098,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6100,8 +6108,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6110,8 +6118,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6120,8 +6128,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6130,8 +6138,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6140,8 +6148,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6150,7 +6158,7 @@ class IfcColumnStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6159,8 +6167,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6169,8 +6177,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6179,8 +6187,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6189,8 +6197,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6199,7 +6207,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6209,7 +6217,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6219,7 +6227,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6229,7 +6237,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6239,9 +6247,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6250,17 +6258,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6269,7 +6277,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6282,12 +6290,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x2.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6296,8 +6304,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6306,7 +6314,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x2.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6316,8 +6324,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6326,8 +6334,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6336,8 +6344,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6346,8 +6354,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6356,8 +6364,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6366,8 +6374,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -6376,8 +6384,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6386,8 +6394,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6396,8 +6404,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6406,8 +6414,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6416,8 +6424,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6426,8 +6434,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6436,8 +6444,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6446,8 +6454,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6456,8 +6464,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6466,8 +6474,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6476,8 +6484,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6486,8 +6494,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6496,8 +6504,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6506,8 +6514,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6516,8 +6524,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6526,8 +6534,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6536,8 +6544,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6546,8 +6554,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6556,8 +6564,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6566,8 +6574,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6576,8 +6584,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -6589,8 +6597,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6599,8 +6607,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6609,8 +6617,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -6622,7 +6630,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x2.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x2.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyle_IdentifiableCurveStyle:
@@ -6632,9 +6640,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -6644,7 +6652,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -6654,8 +6662,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6664,8 +6672,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6674,8 +6682,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6684,8 +6692,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6694,8 +6702,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -6704,8 +6712,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -6714,11 +6722,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -6728,11 +6736,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -6742,8 +6750,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6752,8 +6760,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6762,8 +6770,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6772,8 +6780,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6782,8 +6790,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6792,8 +6800,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -6802,8 +6810,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectStyleAssigned:
@@ -6813,8 +6821,8 @@ class IfcDoor_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -6823,8 +6831,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -6834,8 +6842,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -6845,8 +6853,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -6856,8 +6864,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -6867,7 +6875,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -6876,7 +6884,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6885,8 +6893,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -6895,7 +6903,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -6904,7 +6912,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6913,8 +6921,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6923,8 +6931,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6933,8 +6941,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6943,8 +6951,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6953,8 +6961,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6963,8 +6971,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6973,8 +6981,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6983,8 +6991,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6993,8 +7001,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7003,9 +7011,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7017,7 +7025,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7027,8 +7035,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7037,8 +7045,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7047,8 +7055,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7057,8 +7065,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7067,8 +7075,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7077,8 +7085,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7087,8 +7095,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7097,8 +7105,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7107,8 +7115,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7117,8 +7125,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7127,8 +7135,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7137,8 +7145,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7147,8 +7155,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7157,8 +7165,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7167,8 +7175,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7177,8 +7185,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7187,8 +7195,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7197,8 +7205,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7207,8 +7215,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7217,8 +7225,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7227,8 +7235,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -7237,7 +7245,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -7247,8 +7255,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7257,8 +7265,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7267,8 +7275,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7277,8 +7285,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7287,8 +7295,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7297,8 +7305,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7307,8 +7315,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7317,8 +7325,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7327,8 +7335,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7337,8 +7345,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7347,9 +7355,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7358,8 +7366,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -7368,9 +7376,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -7379,9 +7387,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -7391,7 +7399,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -7400,7 +7408,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -7409,7 +7417,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x2.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -7422,8 +7430,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7432,8 +7440,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7442,8 +7450,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7452,8 +7460,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7462,8 +7470,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7472,8 +7480,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
     SCOPE = 'entity'
@@ -7482,7 +7490,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -7491,7 +7499,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -7500,7 +7508,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x2.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x2.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -7509,7 +7517,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x2.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x2.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -7518,7 +7526,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -7527,8 +7535,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -7537,8 +7545,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7547,8 +7555,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7557,8 +7565,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7567,8 +7575,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7577,8 +7585,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7587,8 +7595,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7597,8 +7605,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFixedReferenceSweptAreaSolid_DirectrixBounded:
     SCOPE = 'entity'
@@ -7607,9 +7615,9 @@ class IfcFixedReferenceSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x2.ifcconic', 'ifc4x2.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
@@ -7619,8 +7627,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7629,8 +7637,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7639,8 +7647,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7649,8 +7657,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7659,8 +7667,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7669,8 +7677,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7679,8 +7687,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7689,8 +7697,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7699,8 +7707,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7709,8 +7717,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7719,8 +7727,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7729,8 +7737,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7739,8 +7747,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7749,8 +7757,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7759,8 +7767,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -7769,7 +7777,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x2.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x2.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -7778,8 +7786,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -7788,7 +7796,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x2.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -7798,9 +7806,9 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -7809,23 +7817,23 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -7834,12 +7842,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -7848,8 +7856,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -7858,9 +7866,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -7873,8 +7881,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7883,8 +7891,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7893,8 +7901,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7903,8 +7911,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7913,8 +7921,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7923,8 +7931,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -7933,8 +7941,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -7944,8 +7952,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
@@ -7955,11 +7963,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
@@ -7969,7 +7977,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (sizeof(segments) == 0 or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -7979,8 +7987,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7989,8 +7997,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7999,8 +8007,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8009,7 +8017,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8018,7 +8026,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8027,8 +8035,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8037,8 +8045,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8047,8 +8055,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8057,9 +8065,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8069,8 +8077,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8079,8 +8087,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8089,8 +8097,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8099,8 +8107,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8109,8 +8117,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8119,8 +8127,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8129,8 +8137,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8139,8 +8147,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -8149,9 +8157,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -8160,8 +8168,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
@@ -8171,7 +8179,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x2.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -8181,7 +8189,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -8194,7 +8202,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -8204,8 +8212,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8214,8 +8222,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8224,8 +8232,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8234,8 +8242,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8244,8 +8252,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8254,8 +8262,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8264,8 +8272,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8274,8 +8282,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -8284,7 +8292,7 @@ class IfcMemberStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8293,8 +8301,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -8306,8 +8314,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8316,8 +8324,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8326,8 +8334,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -8336,7 +8344,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -8345,7 +8353,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -8355,8 +8363,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -8365,8 +8373,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -8375,8 +8383,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -8385,8 +8393,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -8395,18 +8403,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x2.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8415,8 +8423,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8425,8 +8433,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8435,8 +8443,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -8445,9 +8453,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -8465,8 +8473,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -8475,9 +8483,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -8487,9 +8495,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -8499,7 +8507,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -8509,7 +8517,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -8519,8 +8527,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8529,8 +8537,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8539,8 +8547,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8549,8 +8557,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8559,8 +8567,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8569,8 +8577,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8579,8 +8587,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8589,8 +8597,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8599,8 +8607,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -8609,7 +8617,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -8619,7 +8627,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -8629,7 +8637,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -8639,9 +8647,9 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -8651,12 +8659,12 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8665,8 +8673,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8675,8 +8683,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -8685,7 +8693,7 @@ class IfcPlateStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8694,16 +8702,16 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -8712,8 +8720,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -8722,8 +8730,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -8732,7 +8740,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x2.ifcpolyline', 'ifc4x2.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -8742,8 +8750,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPositioningElement_HasPlacement:
     SCOPE = 'entity'
@@ -8752,7 +8760,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -8761,13 +8769,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -8777,7 +8785,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x2.ifcshaperepresentation', 'ifc4x2.ifcgeometricrepresentationitem', 'ifc4x2.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -8787,7 +8795,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x2.ifcgeometricrepresentationitem', 'ifc4x2.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_HasName:
@@ -8797,7 +8805,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8806,8 +8814,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8816,8 +8824,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -8826,9 +8834,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x2.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x2.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -8837,7 +8845,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x2.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
@@ -8847,7 +8855,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_CorrectContext:
     SCOPE = 'entity'
@@ -8856,7 +8864,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x2.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x2.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -8865,7 +8873,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -8874,8 +8882,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
     SCOPE = 'entity'
@@ -8884,8 +8892,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -8895,8 +8903,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
@@ -8906,8 +8914,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -8917,8 +8925,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -8928,9 +8936,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -8939,7 +8947,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -8948,7 +8956,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -8957,7 +8965,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -8966,7 +8974,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -8976,7 +8984,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -8985,7 +8993,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -8995,8 +9003,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -9006,8 +9014,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -9016,8 +9024,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9026,8 +9034,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9036,8 +9044,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9046,8 +9054,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9056,8 +9064,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9066,8 +9074,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9076,8 +9084,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -9086,7 +9094,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9095,8 +9103,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9105,8 +9113,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9115,8 +9123,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -9125,7 +9133,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -9134,7 +9142,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -9144,7 +9152,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -9154,7 +9162,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -9163,7 +9171,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -9173,7 +9181,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -9182,7 +9190,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -9192,7 +9200,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -9201,7 +9209,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -9211,7 +9219,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -9220,7 +9228,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRailing_CorrectPredefinedType:
@@ -9230,8 +9238,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9240,8 +9248,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9250,8 +9258,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9260,8 +9268,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9270,8 +9278,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9280,8 +9288,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9290,8 +9298,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9300,8 +9308,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9310,8 +9318,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -9320,8 +9328,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -9333,8 +9341,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -9343,8 +9351,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -9356,9 +9364,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
@@ -9368,8 +9376,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
     SCOPE = 'entity'
@@ -9378,9 +9386,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -9389,8 +9397,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -9399,8 +9407,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -9410,8 +9418,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -9421,10 +9429,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x2.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x2.ifcplane' in typeof(basissurface)) or 'ifc4x2.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -9434,9 +9442,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
@@ -9446,8 +9454,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9456,8 +9464,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9466,8 +9474,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -9476,8 +9484,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
@@ -9487,8 +9495,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9497,8 +9505,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9507,8 +9515,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -9517,8 +9525,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcRelAggregates_NoSelfReference:
@@ -9528,8 +9536,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -9539,8 +9547,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -9550,8 +9558,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -9560,8 +9568,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -9570,8 +9578,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -9580,8 +9588,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -9590,8 +9598,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -9600,8 +9608,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -9610,7 +9618,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x2.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x2.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x2.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x2.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -9619,7 +9627,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x2.ifcelement', 'ifc4x2.ifcelementtype', 'ifc4x2.ifcwindowstyle', 'ifc4x2.ifcdoorstyle', 'ifc4x2.ifcstructuralmember', 'ifc4x2.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x2.ifcelement', 'ifc4x2.ifcelementtype', 'ifc4x2.ifcwindowstyle', 'ifc4x2.ifcdoorstyle', 'ifc4x2.ifcstructuralmember', 'ifc4x2.ifcport']) == 0]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -9628,8 +9636,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -9639,7 +9647,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -9649,7 +9657,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -9659,8 +9667,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -9670,7 +9678,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x2.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -9680,8 +9688,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -9691,7 +9699,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x2.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x2.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -9700,8 +9708,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -9711,8 +9719,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -9722,8 +9730,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -9733,7 +9741,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x2.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x2.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -9743,8 +9751,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -9754,9 +9762,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -9765,9 +9773,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x2.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x2.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x2.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x2.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x2.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x2.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -9776,7 +9784,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -9786,7 +9794,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x2.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
@@ -9796,8 +9804,8 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
     SCOPE = 'entity'
@@ -9806,12 +9814,12 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -9820,7 +9828,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9829,8 +9837,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9839,8 +9847,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9849,8 +9857,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -9859,11 +9867,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9872,8 +9880,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9882,8 +9890,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9892,8 +9900,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -9902,7 +9910,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -9911,7 +9919,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -9920,8 +9928,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -9930,8 +9938,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -9940,7 +9948,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -9950,8 +9958,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -9961,8 +9969,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -9971,8 +9979,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
@@ -9982,8 +9990,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
     SCOPE = 'entity'
@@ -9992,8 +10000,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -10005,8 +10013,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10015,8 +10023,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10025,8 +10033,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10035,8 +10043,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10045,8 +10053,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10055,8 +10063,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -10065,8 +10073,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -10075,7 +10083,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x2.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x2.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -10084,7 +10092,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x2.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x2.ifcvertexpoint', 'ifc4x2.ifcedgecurve', 'ifc4x2.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
@@ -10094,7 +10102,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -10103,7 +10111,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -10112,7 +10120,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -10124,8 +10132,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10134,8 +10142,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -10144,7 +10152,7 @@ class IfcSlabElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcSlabStandardCase_HasMaterialLayerSetusage:
     SCOPE = 'entity'
@@ -10153,7 +10161,7 @@ class IfcSlabStandardCase_HasMaterialLayerSetusage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10162,8 +10170,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10172,8 +10180,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10182,8 +10190,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10192,8 +10200,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -10205,8 +10213,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10215,8 +10223,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10225,8 +10233,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10235,8 +10243,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10245,8 +10253,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10255,8 +10263,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -10265,7 +10273,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x2.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x2.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x2.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x2.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10274,8 +10282,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10284,8 +10292,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10294,8 +10302,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10304,8 +10312,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10314,8 +10322,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10324,8 +10332,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10334,8 +10342,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10344,8 +10352,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10354,8 +10362,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10364,8 +10372,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10374,8 +10382,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10384,8 +10392,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -10394,8 +10402,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -10404,8 +10412,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -10414,8 +10422,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -10424,8 +10432,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -10434,8 +10442,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -10444,8 +10452,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -10454,8 +10462,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10464,7 +10472,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x2.ifcstructuralloadlinearforce', 'ifc4x2.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x2.ifcstructuralloadlinearforce', 'ifc4x2.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -10473,7 +10481,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -10482,7 +10490,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -10491,8 +10499,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -10502,10 +10510,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10514,7 +10522,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x2.ifcstructuralloadplanarforce', 'ifc4x2.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x2.ifcstructuralloadplanarforce', 'ifc4x2.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -10523,7 +10531,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10532,7 +10540,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x2.ifcstructuralloadsingleforce', 'ifc4x2.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x2.ifcstructuralloadsingleforce', 'ifc4x2.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -10541,7 +10549,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x2.ifcstructuralloadsingleforce', 'ifc4x2.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x2.ifcstructuralloadsingleforce', 'ifc4x2.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -10550,8 +10558,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -10560,8 +10568,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -10570,8 +10578,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -10580,8 +10588,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -10590,8 +10598,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -10600,7 +10608,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x2.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -10610,7 +10618,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x2.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x2.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10619,8 +10627,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10629,8 +10637,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -10642,8 +10650,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -10652,7 +10660,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x2.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -10665,9 +10673,9 @@ class IfcSurfaceCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x2.ifcconic', 'ifc4x2.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSurfaceFeature_HasObjectType:
@@ -10677,8 +10685,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -10687,17 +10695,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
     SCOPE = 'entity'
@@ -10706,9 +10714,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
@@ -10718,7 +10726,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -10728,7 +10736,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -10738,7 +10746,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
@@ -10748,7 +10756,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -10757,7 +10765,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -10766,7 +10774,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -10775,7 +10783,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
     SCOPE = 'entity'
@@ -10784,7 +10792,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x2.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -10793,8 +10801,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
     SCOPE = 'entity'
@@ -10803,8 +10811,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -10813,8 +10821,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
@@ -10824,9 +10832,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x2.ifcconic', 'ifc4x2.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -10836,8 +10844,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -10846,7 +10854,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x2.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x2.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x2.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x2.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -10855,8 +10863,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10865,8 +10873,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10875,8 +10883,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10885,8 +10893,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10895,8 +10903,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10905,8 +10913,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10915,8 +10923,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -10925,8 +10933,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -10936,8 +10944,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -10947,8 +10955,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -10957,20 +10965,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10979,8 +10987,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10989,8 +10997,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10999,8 +11007,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -11009,7 +11017,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11018,8 +11026,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11028,8 +11036,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -11038,12 +11046,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -11053,8 +11061,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11063,8 +11071,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11073,8 +11081,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11083,8 +11091,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11093,8 +11101,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11103,8 +11111,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11113,8 +11121,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11123,8 +11131,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11133,8 +11141,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -11146,7 +11154,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x2.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -11156,7 +11164,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x2.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x2.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -11165,7 +11173,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x2.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x2.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -11174,7 +11182,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -11183,7 +11191,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -11192,8 +11200,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTransformer_CorrectPredefinedType:
@@ -11203,8 +11211,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11213,8 +11221,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctranformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctranformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11223,8 +11231,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11233,8 +11241,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11243,8 +11251,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11253,11 +11261,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -11267,7 +11275,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
     SCOPE = 'entity'
@@ -11276,7 +11284,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -11286,7 +11294,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
@@ -11296,7 +11304,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x2.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -11306,8 +11314,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11316,8 +11324,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11326,8 +11334,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -11336,7 +11344,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -11345,7 +11353,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -11355,7 +11363,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x2.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x2.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -11364,8 +11372,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -11375,8 +11383,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -11386,7 +11394,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -11396,8 +11404,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11406,8 +11414,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11416,8 +11424,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11426,8 +11434,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11436,8 +11444,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11446,8 +11454,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11456,8 +11464,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11466,8 +11474,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11476,8 +11484,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -11486,12 +11494,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11500,8 +11508,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11510,8 +11518,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11520,8 +11528,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11530,8 +11538,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11540,8 +11548,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11550,8 +11558,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -11560,8 +11568,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11570,8 +11578,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11580,8 +11588,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -11590,7 +11598,7 @@ class IfcWallElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -11599,7 +11607,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x2.ifcrelassociates.relatedobjects') if 'ifc4x2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x2.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11608,8 +11616,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11618,8 +11626,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11628,8 +11636,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11638,8 +11646,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectStyleAssigned:
     SCOPE = 'entity'
@@ -11648,8 +11656,8 @@ class IfcWindow_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x2.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -11658,8 +11666,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -11669,8 +11677,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -11680,8 +11688,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -11691,7 +11699,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -11700,7 +11708,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x2.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x2.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11709,8 +11717,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11719,8 +11727,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11729,8 +11737,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11739,8 +11747,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -11749,8 +11757,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -11760,19 +11768,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x2.ifczone' in typeof(temp) or 'ifc4x2.ifcspace' in typeof(temp) or 'ifc4x2.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x2.ifczone' in typeof(temp) or 'ifc4x2.ifcspace' in typeof(temp) or 'ifc4x2.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -11782,11 +11790,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -11800,13 +11808,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -11824,7 +11832,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -11861,11 +11869,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -12045,7 +12053,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x2.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x2.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -12056,27 +12064,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x2.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x2.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x2.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x2.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x2.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x2.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x2.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -12088,26 +12096,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x2.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x2.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x2.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x2.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x2.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x2.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x2.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x2.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x2.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -12116,17 +12124,17 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x2.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x2.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x2.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x2.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x2.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x2.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x2.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x2.ifcoffsetcurve3d' in typeof(curve):
@@ -12140,13 +12148,13 @@ def IfcCurveDim(curve):
     if 'ifc4x2.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x2.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -12154,13 +12162,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -12230,15 +12238,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -12247,36 +12255,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x2.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x2.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x2.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcListToArray(lis, low, u):
@@ -12293,9 +12301,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -12313,10 +12321,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -12327,25 +12335,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x2.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x2.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -12357,18 +12365,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -12379,32 +12387,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -12425,15 +12433,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x2.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -12449,71 +12457,71 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x2.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x2.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x2.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x2.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x2.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x2.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x2.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x2.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x2.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x2.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x2.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x2.ifcpoint', 'ifc4x2.ifccurve', 'ifc4x2.ifcgeometriccurveset', 'ifc4x2.ifcannotationfillarea', 'ifc4x2.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcgeometricset' in typeof(temp) or 'ifc4x2.ifcpoint' in typeof(temp) or 'ifc4x2.ifccurve' in typeof(temp) or ('ifc4x2.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcgeometriccurveset' in typeof(temp) or 'ifc4x2.ifcgeometricset' in typeof(temp) or 'ifc4x2.ifcpoint' in typeof(temp) or ('ifc4x2.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x2.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x2.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x2.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x2.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x2.ifctessellateditem', 'ifc4x2.ifcshellbasedsurfacemodel', 'ifc4x2.ifcfacebasedsurfacemodel', 'ifc4x2.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x2.ifctessellateditem', 'ifc4x2.ifcshellbasedsurfacemodel', 'ifc4x2.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x2.ifcextrudedareasolid', 'ifc4x2.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x2.ifcextrudedareasolidtapered', 'ifc4x2.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x2.ifcsweptareasolid', 'ifc4x2.ifcsweptdisksolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x2.ifcbooleanresult', 'ifc4x2.ifccsgprimitive3d', 'ifc4x2.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x2.ifccsgsolid', 'ifc4x2.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x2.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -12521,9 +12529,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -12533,28 +12541,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x2.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x2.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x2.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x2.ifcopenshell' in typeof(temp) or 'ifc4x2.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -12565,7 +12573,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x2.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x2.ifcpropertysetdefinitionset' in typeof(definition):
@@ -12578,7 +12586,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -12586,7 +12594,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x2.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -12594,41 +12602,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x2.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x2.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -12636,31 +12644,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x2.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x2.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3.py
index 249fe6771e..160ab10a24 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,5041 +147,5042 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentCantSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-constantcant = getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-lineartransition = getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+constantcant = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+lineartransition = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentHorizontalSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-circulararc = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-cubic = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-line = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+cubic = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+line = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentVerticalSegmentTypeEnum = enum_namespace()
-circulararc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-constantgradient = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
-parabolicarc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+constantgradient = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
+parabolicarc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-asbuiltarea = getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
-asbuiltline = getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
-asbuiltpoint = getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
-assumedarea = getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
-assumedline = getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
-assumedpoint = getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
-non_physical_signal = getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
-superelevationevent = getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-widthevent = getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+asbuiltarea = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
+asbuiltline = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
+asbuiltpoint = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
+assumedarea = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
+assumedline = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
+assumedpoint = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
+non_physical_signal = express_getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
+superelevationevent = express_getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+widthevent = express_getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-communicationterminal = getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-recordingequipment = getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+communicationterminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+recordingequipment = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeDisplacementEnum = enum_namespace()
-fixed_movement = getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
-free_movement = getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
-guided_longitudinal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
-guided_transversal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
+fixed_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
+free_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
+guided_longitudinal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
+guided_transversal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-erosionprevention = getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-prestressing = getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-reinforcing = getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+prestressing = express_getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+reinforcing = express_getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-railwayline = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
-railwaytrack = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+railwayline = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
+railwaytrack = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-junction = getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-transition = getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+junction = express_getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+transition = express_getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-intelligentperipheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
-ipnetworkequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
-linesideelectronicunit = getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-opticallineterminal = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
-opticalnetworkunit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-radioblockcenter = getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+intelligentperipheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
+ipnetworkequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
+linesideelectronicunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+opticallineterminal = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
+opticalnetworkunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+radioblockcenter = express_getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-topping = getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+topping = express_getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-filler = getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
-flashing = getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-pointmachinemountingdevice = getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
-point_machine_locking_device = getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+filler = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
+flashing = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+pointmachinemountingdevice = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
+point_machine_locking_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-dispatchingboard = getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+dispatchingboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fixedtransmissionnetwork = getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-mobilenetwork = getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
-monitoringsystem = getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-operationaltelephonysystem = getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fixedtransmissionnetwork = express_getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+mobilenetwork = express_getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
+monitoringsystem = express_getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+operationaltelephonysystem = express_getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-double_panel_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_DOUBLE_SWING', INDETERMINATE)
-double_panel_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_FOLDING', INDETERMINATE)
-double_panel_lifting_vertical = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_LIFTING_VERTICAL', INDETERMINATE)
-double_panel_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING', INDETERMINATE)
-double_panel_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_panel_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_panel_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SLIDING', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-lifting_horizontal = getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
-lifting_vertical_left = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
-lifting_vertical_right = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
-revolving_horizontal = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_HORIZONTAL', INDETERMINATE)
-revolving_vertical = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_panel_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_DOUBLE_SWING', INDETERMINATE)
+double_panel_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_FOLDING', INDETERMINATE)
+double_panel_lifting_vertical = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_LIFTING_VERTICAL', INDETERMINATE)
+double_panel_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING', INDETERMINATE)
+double_panel_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_panel_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_panel_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SLIDING', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+lifting_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
+lifting_vertical_left = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
+lifting_vertical_right = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
+revolving_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_HORIZONTAL', INDETERMINATE)
+revolving_vertical = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-firemonitor = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+firemonitor = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-vegetation = getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+vegetation = express_getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeotechnicalStratumTypeEnum = enum_namespace()
-solid = getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
-void = getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
-water = getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solid = express_getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
+void = express_getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
+water = express_getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-revetment = getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+revetment = express_getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-storagearea = getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+storagearea = express_getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-gateway_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-mobileswitchingcenter = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
-mscserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
-packetcontrolunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
-remoteradiounit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-service_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
-subscriberserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+gateway_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+mobileswitchingcenter = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
+mscserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
+packetcontrolunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
+remoteradiounit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+service_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
+subscriberserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPavementTypeEnum = enum_namespace()
-flexible = getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
-rigid = getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
-userdefined = getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexible = express_getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
+rigid = express_getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
+userdefined = express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_materialdriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-pset_profiledriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_materialdriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+pset_profiledriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-dilatationsuperstructure = getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
-linesidestructure = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
-linesidestructurepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
-plaintracksuperstructure = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPERSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-trackstructure = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
-trackstructurepart = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
-turnoutsuperstructure = getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dilatationsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
+linesidestructure = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
+linesidestructurepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
+plaintracksuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPERSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+trackstructure = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
+trackstructurepart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
+turnoutsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayTypeEnum = enum_namespace()
-userdefined = getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-boundary = getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
-intersection = getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-landmark = getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-position = getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
+intersection = express_getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+landmark = express_getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+position = express_getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-physical = getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+physical = express_getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadTypeEnum = enum_namespace()
-userdefined = getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_number = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_number = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-berth = getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+berth = express_getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-interference = getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+interference = express_getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-adjustment = getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-calibration = getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-emergency = getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
-inspection = getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-safety = getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
-shutdown = getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
-testing = getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
-troubleshooting = getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adjustment = express_getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+calibration = express_getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+emergency = express_getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
+inspection = express_getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+safety = express_getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
+shutdown = express_getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
+testing = express_getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
+troubleshooting = express_getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-craneway = getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-haulinggear = getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+haulinggear = express_getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-basestationcontroller = getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+basestationcontroller = express_getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVehicleTypeEnum = enum_namespace()
-cargo = getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
-rollingstock = getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehicle = getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicleair = getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-vehiclemarine = getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-vehicletracked = getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-vehiclewheeled = getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-userdefined = getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cargo = express_getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
+rollingstock = express_getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehicle = express_getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicleair = express_getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+vehiclemarine = express_getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+vehicletracked = express_getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+userdefined = express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVirtualElementTypeEnum = enum_namespace()
-boundary = getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
-clearance = getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
-provisionforvoid = getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-userdefined = getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
+clearance = express_getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
+provisionforvoid = express_getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+userdefined = express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignmentCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCant', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCant', *args, **kwargs)
 
 def IfcAlignmentCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCantSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCantSegment', *args, **kwargs)
 
 def IfcAlignmentHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontal', *args, **kwargs)
 
 def IfcAlignmentHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontalSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontalSegment', *args, **kwargs)
 
 def IfcAlignmentParameterSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentParameterSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentParameterSegment', *args, **kwargs)
 
 def IfcAlignmentSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentSegment', *args, **kwargs)
 
 def IfcAlignmentVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVertical', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVertical', *args, **kwargs)
 
 def IfcAlignmentVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVerticalSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVerticalSegment', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxis2PlacementLinear(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2PlacementLinear', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2PlacementLinear', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBridgePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridgePart', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBridgePart', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcClothoid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClothoid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcClothoid', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCosineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCosineSpiral', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCosineSpiral', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDerivedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFacilityPartCommon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPartCommon', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPartCommon', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGradientCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGradientCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGradientCurve', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedPolygonalTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalTextureMap', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalTextureMap', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLinearElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearElement', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMarinePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarinePart', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMarinePart', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointByDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointByDistanceExpression', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointByDistanceExpression', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPolynomialCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolynomialCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolynomialCurve', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantityNumber(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityNumber', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityNumber', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRailwayPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailwayPart', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailwayPart', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAdheresToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAdheresToElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAdheresToElement', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoadPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoadPart', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoadPart', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSecondOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSecondOrderPolynomialSpiral', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSecondOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSegment', *args, **kwargs)
 
 def IfcSegmentedReferenceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegmentedReferenceCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSegmentedReferenceCurve', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcSeventhOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeventhOrderPolynomialSpiral', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSeventhOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSineSpiral', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSineSpiral', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpiral', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpiral', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureCoordinateIndices(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndices', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndices', *args, **kwargs)
 
 def IfcTextureCoordinateIndicesWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndicesWithVoids', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndicesWithVoids', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcThirdOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcThirdOrderPolynomialSpiral', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcThirdOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTransportationDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDevice', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDevice', *args, **kwargs)
 
 def IfcTransportationDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDeviceType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDeviceType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVehicle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicle', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicle', *args, **kwargs)
 
 def IfcVehicleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicleType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicleType', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5183,7 +5191,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5264,7 +5272,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5273,7 +5281,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5282,7 +5290,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5381,7 +5389,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5390,7 +5398,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5399,7 +5407,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5408,8 +5416,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5418,8 +5426,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5428,8 +5436,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5438,8 +5446,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5448,8 +5456,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5458,7 +5466,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5467,8 +5475,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5477,7 +5485,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3.ifcline', 'ifc4x3.ifcconic', 'ifc4x3.ifcpolyline', 'ifc4x3.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3.ifcline', 'ifc4x3.ifcconic', 'ifc4x3.ifcpolyline', 'ifc4x3.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5486,7 +5494,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3.ifcelementarysurface', 'ifc4x3.ifcsweptsurface', 'ifc4x3.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3.ifcelementarysurface', 'ifc4x3.ifcsweptsurface', 'ifc4x3.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5495,7 +5503,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5504,8 +5512,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5514,8 +5522,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5524,8 +5532,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5534,8 +5542,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5544,8 +5552,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5554,8 +5562,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5564,8 +5572,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5574,8 +5582,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5584,8 +5592,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5594,8 +5602,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5604,8 +5612,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5614,8 +5622,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5624,8 +5632,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5635,8 +5643,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5645,7 +5653,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5655,7 +5663,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5665,7 +5673,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5674,8 +5682,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5684,7 +5692,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5693,8 +5701,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5703,7 +5711,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5713,9 +5721,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5725,9 +5733,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5737,9 +5745,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5749,9 +5757,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5761,8 +5769,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5771,8 +5779,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5781,8 +5789,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5791,8 +5799,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5801,7 +5809,7 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIsCP:
     SCOPE = 'entity'
@@ -5810,10 +5818,10 @@ class IfcAxis1Placement_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_LocationIs2D:
@@ -5823,7 +5831,7 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIsCP:
     SCOPE = 'entity'
@@ -5832,7 +5840,7 @@ class IfcAxis2Placement2D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement2D_RefDirIs2D:
     SCOPE = 'entity'
@@ -5841,11 +5849,11 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
@@ -5855,8 +5863,8 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
@@ -5866,8 +5874,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5876,9 +5884,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_LocationIs3D:
     SCOPE = 'entity'
@@ -5887,7 +5895,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_LocationIsCP:
     SCOPE = 'entity'
@@ -5896,7 +5904,7 @@ class IfcAxis2Placement3D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5905,12 +5913,12 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcAxis2PlacementLinear_WR1:
@@ -5920,7 +5928,7 @@ class IfcAxis2PlacementLinear_WR1:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifcpointbydistanceexpression' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3.ifcpointbydistanceexpression' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2PlacementLinear_WR2:
     SCOPE = 'entity'
@@ -5929,9 +5937,9 @@ class IfcAxis2PlacementLinear_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcBSplineCurve_SameDim:
     SCOPE = 'entity'
@@ -5940,16 +5948,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5959,11 +5967,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5973,26 +5981,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
@@ -6002,8 +6010,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -6013,8 +6021,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -6024,10 +6032,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -6036,17 +6044,17 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -6056,8 +6064,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6066,8 +6074,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6076,8 +6084,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6086,8 +6094,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6096,8 +6104,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6106,8 +6114,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6116,7 +6124,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
@@ -6126,7 +6134,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBoiler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6135,8 +6143,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6145,8 +6153,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6155,8 +6163,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6165,7 +6173,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6175,7 +6183,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6185,7 +6193,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
@@ -6195,8 +6203,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SameDim:
     SCOPE = 'entity'
@@ -6205,9 +6213,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6216,12 +6224,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6230,7 +6238,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6242,7 +6250,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBridge_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6251,8 +6259,8 @@ class IfcBridge_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBridgePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6261,8 +6269,8 @@ class IfcBridgePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6271,8 +6279,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6281,8 +6289,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6291,8 +6299,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6301,8 +6309,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6311,8 +6319,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6321,7 +6329,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6330,8 +6338,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6340,8 +6348,8 @@ class IfcBuildingSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6350,7 +6358,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6359,8 +6367,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6369,8 +6377,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6379,8 +6387,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6389,8 +6397,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6399,8 +6407,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6410,10 +6418,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6423,9 +6431,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6435,8 +6443,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6445,8 +6453,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6455,8 +6463,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6465,8 +6473,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6475,8 +6483,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6485,8 +6493,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6495,8 +6503,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6505,8 +6513,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6515,8 +6523,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6525,8 +6533,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6535,8 +6543,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6545,8 +6553,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6555,8 +6563,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6565,8 +6573,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6575,8 +6583,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6585,11 +6593,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6602,16 +6610,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6620,7 +6628,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6629,7 +6637,7 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6638,10 +6646,10 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6650,12 +6658,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6664,7 +6672,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6673,7 +6681,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6682,8 +6690,8 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6692,11 +6700,11 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6705,7 +6713,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6715,16 +6723,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6733,8 +6741,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6743,8 +6751,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6753,8 +6761,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6763,8 +6771,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6773,8 +6781,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6783,8 +6791,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6793,8 +6801,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6803,8 +6811,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6813,8 +6821,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6823,8 +6831,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6833,8 +6841,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6843,8 +6851,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6853,8 +6861,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6863,8 +6871,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6873,8 +6881,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6883,8 +6891,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6893,7 +6901,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6903,7 +6911,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6913,7 +6921,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6923,7 +6931,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6933,9 +6941,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6944,17 +6952,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6963,7 +6971,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6976,12 +6984,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6990,8 +6998,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -7000,7 +7008,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -7010,8 +7018,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7020,8 +7028,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7030,8 +7038,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7040,8 +7048,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7050,8 +7058,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7060,8 +7068,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -7070,8 +7078,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7080,8 +7088,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7090,8 +7098,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7100,8 +7108,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7110,8 +7118,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7120,8 +7128,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7130,8 +7138,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7140,8 +7148,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7150,8 +7158,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7160,8 +7168,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7170,8 +7178,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7180,8 +7188,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7190,8 +7198,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7200,8 +7208,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7210,8 +7218,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7220,8 +7228,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7230,8 +7238,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7240,8 +7248,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7250,8 +7258,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7260,8 +7268,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7270,8 +7278,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7280,8 +7288,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7290,8 +7298,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7300,8 +7308,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7310,8 +7318,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7320,8 +7328,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7330,8 +7338,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7343,8 +7351,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7353,8 +7361,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7363,15 +7371,15 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
 
 def calc_IfcCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCurveStyle_IdentifiableCurveStyle:
     SCOPE = 'entity'
@@ -7380,9 +7388,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyle_MeasureOfWidth:
@@ -7392,7 +7400,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7402,7 +7410,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7412,8 +7420,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7422,8 +7430,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7432,8 +7440,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7442,8 +7450,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7452,8 +7460,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7462,8 +7470,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7472,11 +7480,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7486,11 +7494,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7500,9 +7508,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3.ifcconic', 'ifc4x3.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7512,8 +7520,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7522,8 +7530,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7532,8 +7540,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7542,8 +7550,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7552,8 +7560,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7562,8 +7570,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7572,8 +7580,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7582,8 +7590,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7592,8 +7600,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7602,8 +7610,8 @@ class IfcDistributionSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7612,8 +7620,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectPredefinedType:
@@ -7623,8 +7631,8 @@ class IfcDoor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDoor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7633,8 +7641,8 @@ class IfcDoor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7643,8 +7651,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7654,8 +7662,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7665,8 +7673,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7676,8 +7684,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7687,7 +7695,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7696,7 +7704,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7705,8 +7713,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7715,7 +7723,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7724,7 +7732,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7733,8 +7741,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7743,8 +7751,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7753,8 +7761,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7763,8 +7771,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7773,8 +7781,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7783,8 +7791,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7793,8 +7801,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7803,8 +7811,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7813,8 +7821,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7823,8 +7831,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7833,8 +7841,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7843,9 +7851,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7857,7 +7865,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7867,8 +7875,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7877,8 +7885,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7887,8 +7895,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7897,8 +7905,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7907,8 +7915,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7917,8 +7925,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7927,8 +7935,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7937,8 +7945,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7947,8 +7955,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7957,8 +7965,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7967,8 +7975,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7977,8 +7985,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7987,8 +7995,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7997,8 +8005,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8007,8 +8015,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8017,8 +8025,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8027,8 +8035,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8037,8 +8045,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8047,8 +8055,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8057,8 +8065,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8067,8 +8075,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8077,8 +8085,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8087,8 +8095,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8097,8 +8105,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -8107,7 +8115,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -8117,8 +8125,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8127,8 +8135,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8137,8 +8145,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8147,8 +8155,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8157,8 +8165,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8167,8 +8175,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8177,8 +8185,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8187,8 +8195,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8197,8 +8205,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8207,8 +8215,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8217,9 +8225,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8228,9 +8236,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8239,8 +8247,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8249,9 +8257,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8261,7 +8269,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8270,7 +8278,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8279,7 +8287,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8292,8 +8300,8 @@ class IfcFacilityPartCommon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8302,8 +8310,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8312,8 +8320,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8322,8 +8330,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8332,8 +8340,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8342,8 +8350,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8352,8 +8360,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElement_NotContained:
     SCOPE = 'entity'
@@ -8362,7 +8370,7 @@ class IfcFeatureElement_NotContained:
 
     @staticmethod
     def __call__(self):
-        containedinstructure = getattr(self, 'ContainedInStructure', INDETERMINATE)
+        containedinstructure = express_getattr(self, 'ContainedInStructure', INDETERMINATE)
         assert (sizeof(containedinstructure) == 0) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
@@ -8372,7 +8380,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8381,7 +8389,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8390,7 +8398,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8399,7 +8407,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8408,7 +8416,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8417,8 +8425,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8427,8 +8435,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8437,8 +8445,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8447,8 +8455,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8457,8 +8465,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8467,8 +8475,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8477,8 +8485,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8487,8 +8495,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8497,8 +8505,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8507,8 +8515,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8517,8 +8525,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8527,8 +8535,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8537,8 +8545,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8547,8 +8555,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8557,8 +8565,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8567,8 +8575,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8577,8 +8585,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8587,8 +8595,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8597,8 +8605,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8607,8 +8615,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8617,8 +8625,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8627,8 +8635,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8637,8 +8645,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8647,7 +8655,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8656,8 +8664,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8666,7 +8674,7 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8675,7 +8683,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8685,25 +8693,25 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8712,12 +8720,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGeotechnicalStratum_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8726,8 +8734,8 @@ class IfcGeotechnicalStratum_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 def calc_IfcGradientCurve_RelativeElevation(self):
     return IfcGradient(self)
@@ -8739,8 +8747,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8749,9 +8757,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8764,8 +8772,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8774,8 +8782,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8784,8 +8792,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8794,8 +8802,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8804,8 +8812,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8814,8 +8822,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
     SCOPE = 'entity'
@@ -8824,11 +8832,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
@@ -8838,8 +8846,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8849,8 +8857,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8860,8 +8868,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8870,8 +8878,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8880,8 +8888,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8890,7 +8898,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8900,8 +8908,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8910,8 +8918,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8920,8 +8928,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8930,7 +8938,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8939,7 +8947,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8948,8 +8956,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8958,8 +8966,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8968,8 +8976,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8978,9 +8986,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8990,8 +8998,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9000,8 +9008,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9010,8 +9018,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9020,8 +9028,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9030,8 +9038,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9040,8 +9048,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9050,8 +9058,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9060,8 +9068,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -9070,9 +9078,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9081,8 +9089,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9091,8 +9099,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9101,8 +9109,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -9111,8 +9119,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
@@ -9122,8 +9130,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMarinePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9132,8 +9140,8 @@ class IfcMarinePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -9142,7 +9150,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -9152,7 +9160,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -9165,7 +9173,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -9175,8 +9183,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9185,8 +9193,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9195,8 +9203,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9205,8 +9213,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9215,8 +9223,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9225,8 +9233,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9235,8 +9243,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9245,8 +9253,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9255,8 +9263,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9268,8 +9276,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9278,8 +9286,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9288,8 +9296,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9298,8 +9306,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9308,8 +9316,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9318,8 +9326,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9328,8 +9336,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9338,8 +9346,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9348,8 +9356,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9358,7 +9366,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9367,8 +9375,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9377,8 +9385,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9387,8 +9395,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9397,7 +9405,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9407,8 +9415,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9417,8 +9425,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9427,8 +9435,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9437,8 +9445,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9447,7 +9455,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9456,8 +9464,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9467,8 +9475,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOpeningElement_CorrectPredefinedType:
@@ -9478,8 +9486,8 @@ class IfcOpeningElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -9488,18 +9496,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9508,8 +9516,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9518,8 +9526,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9528,8 +9536,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9538,9 +9546,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9558,8 +9566,8 @@ class IfcPavement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPavement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9568,8 +9576,8 @@ class IfcPavement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpavementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpavementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPavementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9578,8 +9586,8 @@ class IfcPavementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPcurve_DimIs2D:
     SCOPE = 'entity'
@@ -9588,8 +9596,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9598,9 +9606,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9610,9 +9618,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9622,7 +9630,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9632,7 +9640,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9642,8 +9650,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9652,8 +9660,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9662,8 +9670,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9672,8 +9680,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9682,8 +9690,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9692,8 +9700,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9702,8 +9710,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9712,8 +9720,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9722,8 +9730,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9732,7 +9740,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9742,7 +9750,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9752,7 +9760,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9762,7 +9770,7 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9772,14 +9780,14 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9788,8 +9796,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9798,8 +9806,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9808,20 +9816,20 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointByDistanceExpression_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -9830,8 +9838,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9840,8 +9848,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9850,7 +9858,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3.ifcpolyline', 'ifc4x3.ifccompositecurve', 'ifc4x3.ifcindexedpolycurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9860,8 +9868,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolynomialCurve_CorrectPositionDim:
     SCOPE = 'entity'
@@ -9870,9 +9878,9 @@ class IfcPolynomialCurve_CorrectPositionDim:
 
     @staticmethod
     def __call__(self):
-        position = getattr(self, 'Position', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
-        assert (getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or getattr(position, 'Dim', INDETERMINATE) == 3) is not False
+        position = express_getattr(self, 'Position', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
+        assert (express_getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or express_getattr(position, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcPolynomialCurve_ValidCoefficients:
     SCOPE = 'entity'
@@ -9881,9 +9889,9 @@ class IfcPolynomialCurve_ValidCoefficients:
 
     @staticmethod
     def __call__(self):
-        coefficientsx = getattr(self, 'CoefficientsX', INDETERMINATE)
-        coefficientsy = getattr(self, 'CoefficientsY', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
+        coefficientsx = express_getattr(self, 'CoefficientsX', INDETERMINATE)
+        coefficientsy = express_getattr(self, 'CoefficientsY', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
         assert (exists(coefficientsx) and exists(coefficientsy) or (exists(coefficientsx) and exists(coefficientsz)) or (exists(coefficientsy) and exists(coefficientsz)) or (exists(coefficientsx) and exists(coefficientsy) and exists(coefficientsz))) is not False
 
 class IfcPositioningElement_HasPlacement:
@@ -9893,7 +9901,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9902,13 +9910,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9918,7 +9926,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3.ifcshaperepresentation', 'ifc4x3.ifcgeometricrepresentationitem', 'ifc4x3.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9928,7 +9936,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3.ifcgeometricrepresentationitem', 'ifc4x3.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
@@ -9938,8 +9946,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedure_HasName:
     SCOPE = 'entity'
@@ -9948,7 +9956,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9957,8 +9965,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9967,9 +9975,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9978,7 +9986,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_CorrectContext:
@@ -9988,7 +9996,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
     SCOPE = 'entity'
@@ -9997,7 +10005,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -10006,7 +10014,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -10015,8 +10023,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcProjectionElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10025,8 +10033,8 @@ class IfcProjectionElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
     SCOPE = 'entity'
@@ -10035,8 +10043,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
@@ -10046,8 +10054,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -10057,8 +10065,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -10068,8 +10076,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -10079,9 +10087,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -10090,7 +10098,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -10099,7 +10107,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -10108,7 +10116,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10117,7 +10125,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -10127,7 +10135,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10136,7 +10144,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -10146,8 +10154,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -10157,8 +10165,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -10167,8 +10175,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10177,8 +10185,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10187,8 +10195,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10197,8 +10205,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10207,8 +10215,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10217,8 +10225,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10227,8 +10235,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10237,8 +10245,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10247,8 +10255,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10257,8 +10265,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10267,7 +10275,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10276,7 +10284,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10286,7 +10294,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10296,7 +10304,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10305,7 +10313,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10315,7 +10323,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10324,7 +10332,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10334,7 +10342,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10343,7 +10351,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10353,7 +10361,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10362,7 +10370,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10372,8 +10380,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10382,8 +10390,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10392,8 +10400,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10402,8 +10410,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10412,8 +10420,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10422,8 +10430,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailway_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10432,8 +10440,8 @@ class IfcRailway_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailway_HasObjectType:
     SCOPE = 'entity'
@@ -10442,8 +10450,8 @@ class IfcRailway_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcRailwayPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10452,8 +10460,8 @@ class IfcRailwayPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10462,8 +10470,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10472,8 +10480,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10482,8 +10490,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10492,8 +10500,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10502,8 +10510,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10512,8 +10520,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10522,8 +10530,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10535,8 +10543,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10545,8 +10553,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10558,9 +10566,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
@@ -10570,9 +10578,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10581,8 +10589,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
     SCOPE = 'entity'
@@ -10591,8 +10599,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10601,8 +10609,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10612,10 +10620,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3.ifcplane' in typeof(basissurface)) or 'ifc4x3.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10625,8 +10633,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10636,9 +10644,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10648,8 +10656,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10658,8 +10666,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10668,8 +10676,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10678,8 +10686,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
@@ -10689,8 +10697,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10699,8 +10707,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10709,8 +10717,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10719,8 +10727,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
@@ -10730,8 +10738,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRelAggregates_NoSelfReference:
     SCOPE = 'entity'
@@ -10740,8 +10748,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -10751,8 +10759,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10762,8 +10770,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10772,8 +10780,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10782,8 +10790,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10792,8 +10800,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10802,8 +10810,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10812,8 +10820,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10822,7 +10830,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3.ifcelement', 'ifc4x3.ifcelementtype', 'ifc4x3.ifcwindowstyle', 'ifc4x3.ifcdoorstyle', 'ifc4x3.ifcstructuralmember', 'ifc4x3.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3.ifcelement', 'ifc4x3.ifcelementtype', 'ifc4x3.ifcwindowstyle', 'ifc4x3.ifcdoorstyle', 'ifc4x3.ifcstructuralmember', 'ifc4x3.ifcport']) == 0]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10831,7 +10839,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10840,8 +10848,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10851,7 +10859,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10861,7 +10869,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10871,8 +10879,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10882,7 +10890,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10892,8 +10900,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10903,7 +10911,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10912,8 +10920,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10923,8 +10931,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10934,8 +10942,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10945,7 +10953,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10955,8 +10963,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10966,9 +10974,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10977,9 +10985,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10988,7 +10996,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10998,7 +11006,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
@@ -11008,8 +11016,8 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
     SCOPE = 'entity'
@@ -11018,12 +11026,12 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -11032,7 +11040,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoad_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11041,8 +11049,8 @@ class IfcRoad_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoad_HasObjectType:
     SCOPE = 'entity'
@@ -11051,8 +11059,8 @@ class IfcRoad_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcRoadPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11061,8 +11069,8 @@ class IfcRoadPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11071,8 +11079,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11081,8 +11089,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11091,8 +11099,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -11101,11 +11109,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSIUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSIUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11114,8 +11122,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11124,8 +11132,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11134,8 +11142,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -11144,7 +11152,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -11153,7 +11161,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11162,8 +11170,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -11172,8 +11180,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -11182,7 +11190,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -11192,8 +11200,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -11203,8 +11211,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11213,8 +11221,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11223,8 +11231,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
@@ -11234,8 +11242,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -11247,8 +11255,8 @@ class IfcSectionedSurface_AreaProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(temp, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(temp, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSurface_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11257,8 +11265,8 @@ class IfcSectionedSurface_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSurface_DirectrixIs3D:
@@ -11268,8 +11276,8 @@ class IfcSectionedSurface_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSurface_NoOffsets:
     SCOPE = 'entity'
@@ -11278,8 +11286,8 @@ class IfcSectionedSurface_NoOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSurface_SectionsSameType:
     SCOPE = 'entity'
@@ -11288,7 +11296,7 @@ class IfcSectionedSurface_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSensor_CorrectPredefinedType:
@@ -11298,8 +11306,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11308,8 +11316,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11318,8 +11326,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11328,8 +11336,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11338,8 +11346,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11348,8 +11356,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11358,8 +11366,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11368,7 +11376,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11377,7 +11385,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11386,7 +11394,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
     SCOPE = 'entity'
@@ -11395,7 +11403,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11404,7 +11412,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3.ifcvertexpoint', 'ifc4x3.ifcedgecurve', 'ifc4x3.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
@@ -11417,8 +11425,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11427,8 +11435,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11437,8 +11445,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11447,8 +11455,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11457,8 +11465,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11467,8 +11475,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11477,8 +11485,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11487,8 +11495,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11497,8 +11505,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11507,8 +11515,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11517,8 +11525,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11527,8 +11535,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11540,8 +11548,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11550,8 +11558,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11560,8 +11568,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11570,8 +11578,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11580,8 +11588,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11590,8 +11598,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11600,7 +11608,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11609,8 +11617,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11619,8 +11627,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11629,8 +11637,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11639,8 +11647,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11649,8 +11657,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11659,8 +11667,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11669,8 +11677,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11679,8 +11687,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11689,8 +11697,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11699,8 +11707,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11709,8 +11717,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11719,8 +11727,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11729,8 +11737,8 @@ class IfcStructuralAnalysisModel_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -11739,8 +11747,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11749,8 +11757,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11759,8 +11767,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11769,8 +11777,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11779,8 +11787,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11789,8 +11797,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11799,8 +11807,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11809,7 +11817,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11818,7 +11826,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3.ifcstructuralloadlinearforce', 'ifc4x3.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3.ifcstructuralloadlinearforce', 'ifc4x3.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11827,7 +11835,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11836,8 +11844,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11847,10 +11855,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11859,7 +11867,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11868,7 +11876,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3.ifcstructuralloadplanarforce', 'ifc4x3.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3.ifcstructuralloadplanarforce', 'ifc4x3.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11877,7 +11885,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3.ifcstructuralloadsingleforce', 'ifc4x3.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3.ifcstructuralloadsingleforce', 'ifc4x3.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11886,7 +11894,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3.ifcstructuralloadsingleforce', 'ifc4x3.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3.ifcstructuralloadsingleforce', 'ifc4x3.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11895,8 +11903,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11905,8 +11913,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11915,8 +11923,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11925,8 +11933,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11935,8 +11943,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11945,7 +11953,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11955,7 +11963,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11964,8 +11972,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11974,8 +11982,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11987,8 +11995,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11997,7 +12005,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -12010,8 +12018,8 @@ class IfcSurfaceFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSurfaceFeature_HasObjectType:
     SCOPE = 'entity'
@@ -12020,8 +12028,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -12030,17 +12038,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
     SCOPE = 'entity'
@@ -12049,7 +12057,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -12059,7 +12067,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -12069,7 +12077,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
@@ -12079,9 +12087,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
@@ -12091,7 +12099,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -12100,7 +12108,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -12109,7 +12117,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
     SCOPE = 'entity'
@@ -12118,7 +12126,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -12127,7 +12135,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -12136,8 +12144,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
     SCOPE = 'entity'
@@ -12146,9 +12154,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3.ifcconic', 'ifc4x3.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
@@ -12158,8 +12166,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -12168,8 +12176,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -12179,8 +12187,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -12189,7 +12197,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -12198,8 +12206,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12208,8 +12216,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12218,8 +12226,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12228,8 +12236,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12238,8 +12246,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12248,8 +12256,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12258,8 +12266,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12268,8 +12276,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -12279,8 +12287,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -12290,8 +12298,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -12300,20 +12308,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12322,8 +12330,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12332,8 +12340,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12342,8 +12350,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12352,8 +12360,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -12362,7 +12370,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12371,8 +12379,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12381,12 +12389,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12396,8 +12404,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12406,8 +12414,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12416,8 +12424,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12426,8 +12434,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12436,8 +12444,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12446,8 +12454,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12456,8 +12464,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12466,8 +12474,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12476,8 +12484,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12489,7 +12497,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12499,7 +12507,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12508,7 +12516,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12517,7 +12525,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12526,7 +12534,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12535,8 +12543,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12546,8 +12554,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12556,8 +12564,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12566,8 +12574,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12576,8 +12584,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12586,8 +12594,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctransformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctransformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12596,8 +12604,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12606,8 +12614,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12616,8 +12624,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12626,11 +12634,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12640,7 +12648,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
     SCOPE = 'entity'
@@ -12649,7 +12657,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
@@ -12659,7 +12667,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12669,7 +12677,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12679,8 +12687,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12689,8 +12697,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12699,8 +12707,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12709,7 +12717,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12718,7 +12726,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12728,7 +12736,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12737,8 +12745,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12748,8 +12756,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12759,7 +12767,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12769,8 +12777,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12779,8 +12787,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12789,8 +12797,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12799,8 +12807,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12809,8 +12817,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12819,8 +12827,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12829,8 +12837,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12839,8 +12847,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12849,8 +12857,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12859,12 +12867,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVehicle_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12873,8 +12881,8 @@ class IfcVehicle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVehicle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12883,8 +12891,8 @@ class IfcVehicle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvehicletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvehicletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVehicleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12893,8 +12901,8 @@ class IfcVehicleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12903,8 +12911,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12913,8 +12921,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12923,8 +12931,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12933,8 +12941,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12943,8 +12951,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12953,8 +12961,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVirtualElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12963,8 +12971,8 @@ class IfcVirtualElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12973,8 +12981,8 @@ class IfcVoidingFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -12983,8 +12991,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12993,8 +13001,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -13003,8 +13011,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -13013,7 +13021,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3.ifcrelassociates.relatedobjects') if 'ifc4x3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3.ifcrelassociates.relatedobjects') if 'ifc4x3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13022,8 +13030,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13032,8 +13040,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -13042,8 +13050,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13052,8 +13060,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13062,8 +13070,8 @@ class IfcWindow_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -13072,8 +13080,8 @@ class IfcWindow_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -13082,8 +13090,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -13093,8 +13101,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -13104,8 +13112,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -13115,7 +13123,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -13124,7 +13132,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13133,8 +13141,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13143,8 +13151,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13153,8 +13161,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13163,8 +13171,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -13173,8 +13181,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -13184,19 +13192,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3.ifczone' in typeof(temp) or 'ifc4x3.ifcspace' in typeof(temp) or 'ifc4x3.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3.ifczone' in typeof(temp) or 'ifc4x3.ifcspace' in typeof(temp) or 'ifc4x3.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -13206,11 +13214,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -13224,13 +13232,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -13248,7 +13256,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -13285,11 +13293,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13469,7 +13477,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13480,27 +13488,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -13512,26 +13520,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13540,21 +13548,21 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3.ifcgradientcurve' in typeof(curve):
         return 3
     if 'ifc4x3.ifcsegmentedreferencecurve' in typeof(curve):
         return 3
     if 'ifc4x3.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3.ifcoffsetcurve3d' in typeof(curve):
@@ -13564,19 +13572,19 @@ def IfcCurveDim(curve):
     if 'ifc4x3.ifccurvesegment2d' in typeof(curve):
         return 2
     if 'ifc4x3.ifcpolynomialcurve' in typeof(curve):
-        if not exists(getattr(curve, 'CoefficientsZ', INDETERMINATE)) and getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
+        if not exists(express_getattr(curve, 'CoefficientsZ', INDETERMINATE)) and express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
             return 2
         return 3
     if 'ifc4x3.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13584,13 +13592,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSIUnit(n):
@@ -13660,15 +13668,15 @@ def IfcDimensionsForSIUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13677,36 +13685,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcGradient(gradientcurve):
@@ -13726,9 +13734,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13746,10 +13754,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13760,25 +13768,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13790,18 +13798,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -13812,32 +13820,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13858,15 +13866,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13882,75 +13890,75 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcsegment' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcsectionedsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3.ifcpoint', 'ifc4x3.ifccurve', 'ifc4x3.ifcgeometriccurveset', 'ifc4x3.ifcannotationfillarea', 'ifc4x3.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcgeometricset' in typeof(temp) or 'ifc4x3.ifcpoint' in typeof(temp) or 'ifc4x3.ifccurve' in typeof(temp) or ('ifc4x3.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3.ifcgeometricset' in typeof(temp) or 'ifc4x3.ifcpoint' in typeof(temp) or ('ifc4x3.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3.ifctessellateditem', 'ifc4x3.ifcshellbasedsurfacemodel', 'ifc4x3.ifcfacebasedsurfacemodel', 'ifc4x3.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3.ifctessellateditem', 'ifc4x3.ifcshellbasedsurfacemodel', 'ifc4x3.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3.ifcextrudedareasolid', 'ifc4x3.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3.ifcextrudedareasolidtapered', 'ifc4x3.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3.ifcsweptareasolid', 'ifc4x3.ifcsweptdisksolid', 'ifc4x3.ifcsectionedsolidhorizontal'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3.ifcbooleanresult', 'ifc4x3.ifccsgprimitive3d', 'ifc4x3.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3.ifccsgsolid', 'ifc4x3.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13958,9 +13966,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13970,28 +13978,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3.ifcopenshell' in typeof(temp) or 'ifc4x3.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -14002,7 +14010,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3.ifcpropertysetdefinitionset' in typeof(definition):
@@ -14015,7 +14023,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -14023,7 +14031,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -14031,41 +14039,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -14073,31 +14081,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD1.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD1.py
index cda94c67d7..1f8ec4d814 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD1.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD1.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,4991 +147,4992 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentCantSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-constantcant = getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-lineartransition = getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+constantcant = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+lineartransition = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentHorizontalSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-circulararc = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-cubic = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-line = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+cubic = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+line = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentVerticalSegmentTypeEnum = enum_namespace()
-circulararc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-constantgradient = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
-parabolicarc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+constantgradient = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
+parabolicarc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-asbuiltarea = getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
-asbuiltline = getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
-asbuiltpoint = getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
-assumedarea = getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
-assumedline = getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
-assumedpoint = getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
-non_physical_signal = getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
-superelevationevent = getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-widthevent = getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+asbuiltarea = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
+asbuiltline = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
+asbuiltpoint = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
+assumedarea = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
+assumedline = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
+assumedpoint = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
+non_physical_signal = express_getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
+superelevationevent = express_getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+widthevent = express_getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-communicationterminal = getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-recordingequipment = getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+communicationterminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+recordingequipment = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-railwayline = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
-railwaytrack = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+railwayline = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
+railwaytrack = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-junction = getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-transition = getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+junction = express_getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+transition = express_getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-intelligentperipheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
-ipnetworkequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
-linesideelectronicunit = getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-opticallineterminal = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
-opticalnetworkunit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-radioblockcenter = getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+intelligentperipheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
+ipnetworkequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
+linesideelectronicunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+opticallineterminal = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
+opticalnetworkunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+radioblockcenter = express_getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-topping = getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+topping = express_getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-filler = getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
-flashing = getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-pointmachinemountingdevice = getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
-point_machine_locking_device = getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+filler = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
+flashing = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+pointmachinemountingdevice = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
+point_machine_locking_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-dispatchingboard = getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+dispatchingboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fixedtransmissionnetwork = getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-mobilenetwork = getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
-monitoringsystem = getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-operationaltelephonysystem = getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fixedtransmissionnetwork = express_getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+mobilenetwork = express_getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
+monitoringsystem = express_getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+operationaltelephonysystem = express_getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-double_door_lifting_vertical = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_LIFTING_VERTICAL', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-lifting_horizontal = getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
-lifting_vertical_left = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
-lifting_vertical_right = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-revolving_vertical = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+double_door_lifting_vertical = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_LIFTING_VERTICAL', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+lifting_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
+lifting_vertical_left = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
+lifting_vertical_right = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+revolving_vertical = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-firemonitor = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+firemonitor = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-vegetation = getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+vegetation = express_getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeotechnicalStratumTypeEnum = enum_namespace()
-solid = getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
-void = getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
-water = getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solid = express_getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
+void = express_getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
+water = express_getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKerbTypeEnum = enum_namespace()
-userdefined = getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcKerbTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcKerbTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-revetment = getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+revetment = express_getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-storagearea = getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+storagearea = express_getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-gateway_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-mobileswitchingcenter = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
-mscserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
-packetcontrolunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
-remoteradiounit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-service_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
-subscriberserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+gateway_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+mobileswitchingcenter = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
+mscserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
+packetcontrolunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
+remoteradiounit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+service_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
+subscriberserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPavementTypeEnum = enum_namespace()
-flexible = getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
-rigid = getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
-userdefined = getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexible = express_getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
+rigid = express_getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
+userdefined = express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_materialdriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-pset_profiledriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_materialdriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+pset_profiledriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-dilatationsuperstructure = getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
-linesidestructure = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
-linesidestructurepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
-plaintracksuperstructure = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPERSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-trackstructure = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
-trackstructurepart = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
-turnoutsuperstructure = getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dilatationsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
+linesidestructure = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
+linesidestructurepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
+plaintracksuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPERSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+trackstructure = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
+trackstructurepart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
+turnoutsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayTypeEnum = enum_namespace()
-userdefined = getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-boundary = getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
-intersection = getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-landmark = getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-position = getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
+intersection = express_getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+landmark = express_getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+position = express_getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-physical = getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+physical = express_getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadTypeEnum = enum_namespace()
-userdefined = getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_number = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_number = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-berth = getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+berth = express_getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-interference = getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+interference = express_getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-adjustment = getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-calibration = getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-emergency = getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
-inspection = getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-safety = getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
-shutdown = getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
-testing = getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
-troubleshooting = getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adjustment = express_getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+calibration = express_getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+emergency = express_getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
+inspection = express_getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+safety = express_getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
+shutdown = express_getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
+testing = express_getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
+troubleshooting = express_getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-craneway = getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-haulinggear = getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+haulinggear = express_getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-basestationcontroller = getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+basestationcontroller = express_getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVehicleTypeEnum = enum_namespace()
-cargo = getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
-rollingstock = getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehicle = getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicleair = getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-vehiclemarine = getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-vehicletracked = getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-vehiclewheeled = getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-userdefined = getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cargo = express_getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
+rollingstock = express_getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehicle = express_getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicleair = express_getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+vehiclemarine = express_getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+vehicletracked = express_getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+userdefined = express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVirtualElementTypeEnum = enum_namespace()
-boundary = getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
-clearance = getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
-provisionforvoid = getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-userdefined = getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
+clearance = express_getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
+provisionforvoid = express_getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+userdefined = express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3_ADD1')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignmentCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCant', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCant', *args, **kwargs)
 
 def IfcAlignmentCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCantSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCantSegment', *args, **kwargs)
 
 def IfcAlignmentHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontal', *args, **kwargs)
 
 def IfcAlignmentHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontalSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontalSegment', *args, **kwargs)
 
 def IfcAlignmentParameterSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentParameterSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentParameterSegment', *args, **kwargs)
 
 def IfcAlignmentSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentSegment', *args, **kwargs)
 
 def IfcAlignmentVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVertical', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVertical', *args, **kwargs)
 
 def IfcAlignmentVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVerticalSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVerticalSegment', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxis2PlacementLinear(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2PlacementLinear', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2PlacementLinear', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBridgePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridgePart', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBridgePart', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcClothoid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClothoid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcClothoid', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCosineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCosineSpiral', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCosineSpiral', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDerivedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFacilityPartCommon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPartCommon', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPartCommon', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicCRS', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicCRS', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGradientCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGradientCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGradientCurve', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedPolygonalTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalTextureMap', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalTextureMap', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLinearElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearElement', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMapConversionScaled(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversionScaled', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversionScaled', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMarinePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarinePart', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMarinePart', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointByDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointByDistanceExpression', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointByDistanceExpression', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPolynomialCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolynomialCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolynomialCurve', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantityNumber(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityNumber', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityNumber', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRailwayPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailwayPart', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailwayPart', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAdheresToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAdheresToElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAdheresToElement', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRigidOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRigidOperation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRigidOperation', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoadPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoadPart', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoadPart', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSecondOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSecondOrderPolynomialSpiral', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSecondOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSegment', *args, **kwargs)
 
 def IfcSegmentedReferenceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegmentedReferenceCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSegmentedReferenceCurve', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcSeventhOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeventhOrderPolynomialSpiral', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSeventhOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSineSpiral', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSineSpiral', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpiral', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpiral', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureCoordinateIndices(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndices', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndices', *args, **kwargs)
 
 def IfcTextureCoordinateIndicesWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndicesWithVoids', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndicesWithVoids', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcThirdOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcThirdOrderPolynomialSpiral', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcThirdOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTransportationDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDevice', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDevice', *args, **kwargs)
 
 def IfcTransportationDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDeviceType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDeviceType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVehicle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicle', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicle', *args, **kwargs)
 
 def IfcVehicleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicleType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicleType', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWellKnownText(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWellKnownText', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWellKnownText', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3_ADD1', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5133,7 +5141,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5214,7 +5222,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5223,7 +5231,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5232,7 +5240,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5331,7 +5339,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5340,7 +5348,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5349,7 +5357,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5358,8 +5366,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5368,8 +5376,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5378,8 +5386,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5388,8 +5396,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5398,8 +5406,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5408,7 +5416,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add1.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add1.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5417,8 +5425,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5427,7 +5435,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_add1.ifcline', 'ifc4x3_add1.ifcconic', 'ifc4x3_add1.ifcpolyline', 'ifc4x3_add1.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_add1.ifcline', 'ifc4x3_add1.ifcconic', 'ifc4x3_add1.ifcpolyline', 'ifc4x3_add1.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5436,7 +5444,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add1.ifcelementarysurface', 'ifc4x3_add1.ifcsweptsurface', 'ifc4x3_add1.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add1.ifcelementarysurface', 'ifc4x3_add1.ifcsweptsurface', 'ifc4x3_add1.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5445,7 +5453,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_add1.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_add1.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5454,8 +5462,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5464,8 +5472,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5474,8 +5482,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5484,8 +5492,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5494,8 +5502,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5504,8 +5512,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5514,8 +5522,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5524,8 +5532,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5534,8 +5542,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5544,8 +5552,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5554,8 +5562,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5564,8 +5572,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5574,8 +5582,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5585,8 +5593,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5595,7 +5603,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5605,7 +5613,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5615,7 +5623,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3_add1.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5624,8 +5632,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5634,7 +5642,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5643,8 +5651,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5653,7 +5661,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3_add1.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5663,9 +5671,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5675,9 +5683,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5687,9 +5695,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5699,9 +5707,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5711,8 +5719,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5721,8 +5729,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5731,8 +5739,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5741,8 +5749,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5751,7 +5759,7 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIsCP:
     SCOPE = 'entity'
@@ -5760,10 +5768,10 @@ class IfcAxis1Placement_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_LocationIs2D:
@@ -5773,7 +5781,7 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIsCP:
     SCOPE = 'entity'
@@ -5782,7 +5790,7 @@ class IfcAxis2Placement2D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement2D_RefDirIs2D:
     SCOPE = 'entity'
@@ -5791,11 +5799,11 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
@@ -5805,8 +5813,8 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
@@ -5816,8 +5824,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5826,9 +5834,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_LocationIs3D:
     SCOPE = 'entity'
@@ -5837,7 +5845,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_LocationIsCP:
     SCOPE = 'entity'
@@ -5846,7 +5854,7 @@ class IfcAxis2Placement3D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5855,12 +5863,12 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcAxis2PlacementLinear_WR1:
@@ -5870,7 +5878,7 @@ class IfcAxis2PlacementLinear_WR1:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifcpointbydistanceexpression' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add1.ifcpointbydistanceexpression' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2PlacementLinear_WR2:
     SCOPE = 'entity'
@@ -5879,9 +5887,9 @@ class IfcAxis2PlacementLinear_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcBSplineCurve_SameDim:
     SCOPE = 'entity'
@@ -5890,16 +5898,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5909,11 +5917,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5923,26 +5931,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
@@ -5952,8 +5960,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -5963,8 +5971,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5974,10 +5982,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5986,17 +5994,17 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -6006,8 +6014,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6016,8 +6024,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6026,8 +6034,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6036,8 +6044,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6046,8 +6054,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6056,8 +6064,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6066,7 +6074,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
@@ -6076,7 +6084,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBoiler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6085,8 +6093,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6095,8 +6103,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6105,8 +6113,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6115,7 +6123,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3_add1.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3_add1.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3_add1.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6125,7 +6133,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6135,7 +6143,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3_add1.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
@@ -6145,8 +6153,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3_add1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3_add1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SameDim:
     SCOPE = 'entity'
@@ -6155,9 +6163,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6166,12 +6174,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3_add1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3_add1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6180,7 +6188,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6192,7 +6200,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3_add1.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3_add1.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBridge_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6201,8 +6209,8 @@ class IfcBridge_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBridgePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6211,8 +6219,8 @@ class IfcBridgePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6221,8 +6229,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6231,8 +6239,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6241,8 +6249,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6251,8 +6259,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6261,8 +6269,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6271,7 +6279,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6280,8 +6288,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6290,8 +6298,8 @@ class IfcBuildingSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6300,7 +6308,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_add1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_add1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6309,8 +6317,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6319,8 +6327,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6329,8 +6337,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6339,8 +6347,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6349,8 +6357,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6360,10 +6368,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6373,9 +6381,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6385,8 +6393,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6395,8 +6403,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6405,8 +6413,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6415,8 +6423,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6425,8 +6433,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6435,8 +6443,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6445,8 +6453,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6455,8 +6463,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6465,8 +6473,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6475,8 +6483,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6485,8 +6493,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6495,8 +6503,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6505,8 +6513,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6515,8 +6523,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6525,8 +6533,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6535,7 +6543,7 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6548,16 +6556,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6566,7 +6574,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6575,7 +6583,7 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6584,10 +6592,10 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6596,12 +6604,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6610,7 +6618,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6619,7 +6627,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6628,8 +6636,8 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6638,11 +6646,11 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6651,7 +6659,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6661,16 +6669,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6679,8 +6687,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6689,8 +6697,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6699,8 +6707,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6709,8 +6717,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6719,8 +6727,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6729,8 +6737,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6739,8 +6747,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6749,8 +6757,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6759,8 +6767,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6769,8 +6777,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6779,8 +6787,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6789,8 +6797,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6799,8 +6807,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6809,8 +6817,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6819,8 +6827,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6829,8 +6837,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6839,7 +6847,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6849,7 +6857,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6859,7 +6867,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6869,7 +6877,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6879,9 +6887,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6890,17 +6898,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6909,7 +6917,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6922,7 +6930,7 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3_add1.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 class IfcCompositeProfileDef_InvariantProfileType:
@@ -6932,8 +6940,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6942,7 +6950,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3_add1.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6952,8 +6960,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6962,8 +6970,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6972,8 +6980,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6982,8 +6990,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6992,8 +7000,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7002,8 +7010,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -7012,8 +7020,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7022,8 +7030,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7032,8 +7040,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7042,8 +7050,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7052,8 +7060,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7062,8 +7070,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7072,8 +7080,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7082,8 +7090,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7092,8 +7100,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7102,8 +7110,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7112,8 +7120,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7122,8 +7130,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7132,8 +7140,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7142,8 +7150,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7152,8 +7160,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7162,8 +7170,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7172,8 +7180,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7182,8 +7190,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7192,8 +7200,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoordinateReferenceSystem_NameOrWKT:
     SCOPE = 'entity'
@@ -7202,8 +7210,8 @@ class IfcCoordinateReferenceSystem_NameOrWKT:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        wellknowntext = getattr(self, 'WellKnownText', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        wellknowntext = express_getattr(self, 'WellKnownText', INDETERMINATE)
         assert (hiindex(wellknowntext) == 1 or exists(name)) is not False
 
 class IfcCourse_CorrectPredefinedType:
@@ -7213,8 +7221,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7223,8 +7231,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7233,8 +7241,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7243,8 +7251,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7253,8 +7261,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7263,8 +7271,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7273,8 +7281,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7283,8 +7291,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7296,8 +7304,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7306,8 +7314,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7316,8 +7324,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -7329,9 +7337,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyle_MeasureOfWidth:
@@ -7341,7 +7349,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3_add1.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3_add1.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7351,7 +7359,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7361,8 +7369,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7371,8 +7379,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7381,8 +7389,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7391,8 +7399,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7401,8 +7409,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7411,8 +7419,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7421,11 +7429,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7435,11 +7443,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7449,9 +7457,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_add1.ifcconic', 'ifc4x3_add1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7461,8 +7469,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7471,8 +7479,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7481,8 +7489,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7491,8 +7499,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7501,8 +7509,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7511,8 +7519,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7521,8 +7529,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7531,8 +7539,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7541,8 +7549,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7551,8 +7559,8 @@ class IfcDistributionSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7561,8 +7569,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectPredefinedType:
@@ -7572,8 +7580,8 @@ class IfcDoor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDoor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7582,8 +7590,8 @@ class IfcDoor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7592,8 +7600,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7603,8 +7611,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7614,8 +7622,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7625,8 +7633,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7636,7 +7644,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7645,7 +7653,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7654,8 +7662,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7664,7 +7672,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7673,7 +7681,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7682,8 +7690,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7692,8 +7700,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7702,8 +7710,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7712,8 +7720,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7722,8 +7730,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7732,8 +7740,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7742,8 +7750,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7752,8 +7760,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7762,8 +7770,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7772,8 +7780,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7782,8 +7790,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7792,9 +7800,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7806,7 +7814,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7816,8 +7824,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7826,8 +7834,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7836,8 +7844,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7846,8 +7854,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7856,8 +7864,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7866,8 +7874,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7876,8 +7884,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7886,8 +7894,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7896,8 +7904,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7906,8 +7914,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7916,8 +7924,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7926,8 +7934,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7936,8 +7944,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7946,8 +7954,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7956,8 +7964,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7966,8 +7974,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7976,8 +7984,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7986,8 +7994,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7996,8 +8004,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8006,8 +8014,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8016,8 +8024,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8026,8 +8034,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8036,8 +8044,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8046,8 +8054,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -8056,7 +8064,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -8066,8 +8074,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8076,8 +8084,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8086,8 +8094,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8096,8 +8104,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8106,8 +8114,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8116,8 +8124,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8126,8 +8134,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8136,8 +8144,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8146,8 +8154,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8156,8 +8164,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8166,9 +8174,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8177,9 +8185,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8188,8 +8196,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8198,9 +8206,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8210,7 +8218,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8219,7 +8227,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8228,7 +8236,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3_add1.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8241,8 +8249,8 @@ class IfcFacilityPartCommon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8251,8 +8259,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8261,8 +8269,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8271,8 +8279,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8281,8 +8289,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8291,8 +8299,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8301,8 +8309,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElement_NotContained:
     SCOPE = 'entity'
@@ -8311,7 +8319,7 @@ class IfcFeatureElement_NotContained:
 
     @staticmethod
     def __call__(self):
-        containedinstructure = getattr(self, 'ContainedInStructure', INDETERMINATE)
+        containedinstructure = express_getattr(self, 'ContainedInStructure', INDETERMINATE)
         assert (sizeof(containedinstructure) == 0) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
@@ -8321,7 +8329,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8330,7 +8338,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8339,7 +8347,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8348,7 +8356,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add1.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add1.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8357,7 +8365,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8366,8 +8374,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8376,8 +8384,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8386,8 +8394,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8396,8 +8404,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8406,8 +8414,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8416,8 +8424,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8426,8 +8434,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8436,8 +8444,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8446,8 +8454,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8456,8 +8464,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8466,8 +8474,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8476,8 +8484,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8486,8 +8494,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8496,8 +8504,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8506,8 +8514,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8516,8 +8524,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8526,8 +8534,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8536,8 +8544,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8546,8 +8554,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8556,8 +8564,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicCRS_IsPlaneAngleUnit:
     SCOPE = 'entity'
@@ -8566,8 +8574,8 @@ class IfcGeographicCRS_IsPlaneAngleUnit:
 
     @staticmethod
     def __call__(self):
-        unit = getattr(self, 'Unit', INDETERMINATE)
-        assert (not exists(unit) or getattr(unit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)) is not False
+        unit = express_getattr(self, 'Unit', INDETERMINATE)
+        assert (not exists(unit) or express_getattr(unit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8576,8 +8584,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8586,8 +8594,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8596,8 +8604,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8606,7 +8614,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_add1.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_add1.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8615,8 +8623,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8625,7 +8633,7 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8634,7 +8642,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8644,25 +8652,25 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8671,12 +8679,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGeotechnicalStratum_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8685,8 +8693,8 @@ class IfcGeotechnicalStratum_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -8695,8 +8703,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8705,9 +8713,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8720,8 +8728,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8730,8 +8738,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8740,8 +8748,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8750,8 +8758,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8760,8 +8768,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8770,8 +8778,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
     SCOPE = 'entity'
@@ -8780,11 +8788,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
@@ -8794,8 +8802,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8805,8 +8813,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8816,8 +8824,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8826,8 +8834,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8836,8 +8844,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8846,7 +8854,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8856,8 +8864,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8866,8 +8874,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8876,8 +8884,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8886,7 +8894,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8895,7 +8903,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8904,8 +8912,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8914,8 +8922,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8924,8 +8932,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcKerb_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8934,8 +8942,8 @@ class IfcKerb_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcKerb_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8944,8 +8952,8 @@ class IfcKerb_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifckerbtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifckerbtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcKerbType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8954,8 +8962,8 @@ class IfcKerbType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8964,9 +8972,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8976,8 +8984,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8986,8 +8994,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8996,8 +9004,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9006,8 +9014,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9016,8 +9024,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9026,8 +9034,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9036,8 +9044,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9046,8 +9054,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -9056,9 +9064,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9067,8 +9075,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9077,8 +9085,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9087,8 +9095,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -9097,8 +9105,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
@@ -9108,8 +9116,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMarinePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9118,8 +9126,8 @@ class IfcMarinePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -9128,7 +9136,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_add1.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -9138,7 +9146,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -9151,7 +9159,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -9161,8 +9169,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9171,8 +9179,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9181,8 +9189,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9191,8 +9199,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9201,8 +9209,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9211,8 +9219,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9221,8 +9229,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9231,8 +9239,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9241,8 +9249,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9254,8 +9262,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9264,8 +9272,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9274,8 +9282,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9284,8 +9292,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9294,8 +9302,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9304,8 +9312,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9314,8 +9322,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9324,8 +9332,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9334,8 +9342,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9344,7 +9352,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9353,8 +9361,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9363,8 +9371,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9373,8 +9381,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9383,7 +9391,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9393,8 +9401,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9403,8 +9411,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9413,8 +9421,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9423,8 +9431,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9433,7 +9441,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9442,8 +9450,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9453,8 +9461,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOpeningElement_CorrectPredefinedType:
@@ -9464,8 +9472,8 @@ class IfcOpeningElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -9474,18 +9482,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9494,8 +9502,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9504,8 +9512,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9514,8 +9522,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9524,9 +9532,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9544,8 +9552,8 @@ class IfcPavement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPavement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9554,8 +9562,8 @@ class IfcPavement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpavementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpavementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPavementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9564,8 +9572,8 @@ class IfcPavementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPcurve_DimIs2D:
     SCOPE = 'entity'
@@ -9574,8 +9582,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9584,9 +9592,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9596,9 +9604,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9608,7 +9616,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9618,7 +9626,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9628,8 +9636,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9638,8 +9646,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9648,8 +9656,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9658,8 +9666,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9668,8 +9676,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9678,8 +9686,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9688,8 +9696,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9698,8 +9706,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9708,8 +9716,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9718,7 +9726,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9728,7 +9736,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9738,7 +9746,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9748,7 +9756,7 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9758,14 +9766,14 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9774,8 +9782,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9784,8 +9792,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9794,8 +9802,8 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPoint_Dim(self):
     return IfcPointDim(self)
@@ -9807,8 +9815,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9817,8 +9825,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9827,7 +9835,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3_add1.ifcpolyline', 'ifc4x3_add1.ifccompositecurve', 'ifc4x3_add1.ifcindexedpolycurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9837,8 +9845,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolynomialCurve_CorrectPositionDim:
     SCOPE = 'entity'
@@ -9847,9 +9855,9 @@ class IfcPolynomialCurve_CorrectPositionDim:
 
     @staticmethod
     def __call__(self):
-        position = getattr(self, 'Position', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
-        assert (getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or getattr(position, 'Dim', INDETERMINATE) == 3) is not False
+        position = express_getattr(self, 'Position', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
+        assert (express_getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or express_getattr(position, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcPolynomialCurve_ValidCoefficients:
     SCOPE = 'entity'
@@ -9858,9 +9866,9 @@ class IfcPolynomialCurve_ValidCoefficients:
 
     @staticmethod
     def __call__(self):
-        coefficientsx = getattr(self, 'CoefficientsX', INDETERMINATE)
-        coefficientsy = getattr(self, 'CoefficientsY', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
+        coefficientsx = express_getattr(self, 'CoefficientsX', INDETERMINATE)
+        coefficientsy = express_getattr(self, 'CoefficientsY', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
         assert (exists(coefficientsx) and exists(coefficientsy) or (exists(coefficientsx) and exists(coefficientsz)) or (exists(coefficientsy) and exists(coefficientsz)) or (exists(coefficientsx) and exists(coefficientsy) and exists(coefficientsz))) is not False
 
 class IfcPositioningElement_HasPlacement:
@@ -9870,7 +9878,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9879,13 +9887,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9895,7 +9903,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_add1.ifcshaperepresentation', 'ifc4x3_add1.ifcgeometricrepresentationitem', 'ifc4x3_add1.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9905,7 +9913,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_add1.ifcgeometricrepresentationitem', 'ifc4x3_add1.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
@@ -9915,8 +9923,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedure_HasName:
     SCOPE = 'entity'
@@ -9925,7 +9933,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9934,8 +9942,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9944,9 +9952,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_add1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_add1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9955,7 +9963,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_add1.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_CorrectContext:
@@ -9965,7 +9973,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_add1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_add1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
     SCOPE = 'entity'
@@ -9974,7 +9982,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -9983,7 +9991,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -9992,8 +10000,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcProjectionElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10002,8 +10010,8 @@ class IfcProjectionElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
     SCOPE = 'entity'
@@ -10012,8 +10020,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
@@ -10023,8 +10031,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -10034,8 +10042,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -10045,8 +10053,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -10056,9 +10064,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -10067,7 +10075,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -10076,7 +10084,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -10085,7 +10093,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10094,7 +10102,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -10104,7 +10112,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10113,7 +10121,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -10123,8 +10131,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -10134,8 +10142,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -10144,8 +10152,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10154,8 +10162,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10164,8 +10172,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10174,8 +10182,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10184,8 +10192,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10194,8 +10202,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10204,8 +10212,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10214,8 +10222,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10224,8 +10232,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10234,8 +10242,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10244,7 +10252,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10253,7 +10261,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10263,7 +10271,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10273,7 +10281,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10282,7 +10290,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10292,7 +10300,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10301,7 +10309,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10311,7 +10319,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10320,7 +10328,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10330,7 +10338,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10339,7 +10347,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10349,8 +10357,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10359,8 +10367,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10369,8 +10377,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10379,8 +10387,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10389,8 +10397,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10399,8 +10407,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailway_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10409,8 +10417,8 @@ class IfcRailway_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailwayPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10419,8 +10427,8 @@ class IfcRailwayPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10429,8 +10437,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10439,8 +10447,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10449,8 +10457,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10459,8 +10467,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10469,8 +10477,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10479,8 +10487,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10489,8 +10497,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10502,8 +10510,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10512,8 +10520,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10525,9 +10533,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
@@ -10537,9 +10545,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10548,8 +10556,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
     SCOPE = 'entity'
@@ -10558,8 +10566,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10568,8 +10576,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10579,10 +10587,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3_add1.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3_add1.ifcplane' in typeof(basissurface)) or 'ifc4x3_add1.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10592,8 +10600,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10603,9 +10611,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10615,8 +10623,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10625,8 +10633,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10635,8 +10643,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10645,8 +10653,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
@@ -10656,8 +10664,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10666,8 +10674,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10676,8 +10684,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10686,8 +10694,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
@@ -10697,8 +10705,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRelAggregates_NoSelfReference:
     SCOPE = 'entity'
@@ -10707,8 +10715,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10718,8 +10726,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10728,8 +10736,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10738,8 +10746,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10748,8 +10756,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10758,8 +10766,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10768,8 +10776,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10778,7 +10786,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_add1.ifcelement', 'ifc4x3_add1.ifcelementtype', 'ifc4x3_add1.ifcstructuralmember', 'ifc4x3_add1.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_add1.ifcelement', 'ifc4x3_add1.ifcelementtype', 'ifc4x3_add1.ifcstructuralmember', 'ifc4x3_add1.ifcport']) == 0]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10787,7 +10795,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_add1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_add1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10796,8 +10804,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10807,7 +10815,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10817,7 +10825,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10827,8 +10835,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10838,7 +10846,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_add1.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10848,8 +10856,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10859,7 +10867,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add1.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add1.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10868,8 +10876,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10879,8 +10887,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10890,8 +10898,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10901,7 +10909,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_add1.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3_add1.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10911,8 +10919,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10922,9 +10930,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10933,9 +10941,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_add1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_add1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_add1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_add1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_add1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_add1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10944,7 +10952,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10954,7 +10962,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3_add1.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
@@ -10964,8 +10972,8 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
     SCOPE = 'entity'
@@ -10974,12 +10982,12 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(getattr(axis, 'Location', INDETERMINATE)) and express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert ('ifc4x3_add1.ifccartesianpoint' in typeof(express_getattr(axis, 'Location', INDETERMINATE)) and express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -10988,7 +10996,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRigidOperation_SameCoordinateType:
     SCOPE = 'entity'
@@ -10997,8 +11005,8 @@ class IfcRigidOperation_SameCoordinateType:
 
     @staticmethod
     def __call__(self):
-        firstcoordinate = getattr(self, 'FirstCoordinate', INDETERMINATE)
-        secondcoordinate = getattr(self, 'SecondCoordinate', INDETERMINATE)
+        firstcoordinate = express_getattr(self, 'FirstCoordinate', INDETERMINATE)
+        secondcoordinate = express_getattr(self, 'SecondCoordinate', INDETERMINATE)
         assert ('ifc4x3_add1.ifclengthmeasure' in typeof(firstcoordinate) and 'ifc4x3_add1.ifclengthmeasure' in typeof(secondcoordinate) or ('ifc4x3_add1.ifcplaneanglemeasure' in typeof(firstcoordinate) and 'ifc4x3_add1.ifcplaneanglemeasure' in typeof(secondcoordinate))) is not False
 
 class IfcRoad_CorrectPredefinedType:
@@ -11008,8 +11016,8 @@ class IfcRoad_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoadPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11018,8 +11026,8 @@ class IfcRoadPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11028,8 +11036,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11038,8 +11046,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11048,8 +11056,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -11058,11 +11066,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSIUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSIUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11071,8 +11079,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11081,8 +11089,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11091,8 +11099,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -11101,7 +11109,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -11110,7 +11118,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11119,8 +11127,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -11129,8 +11137,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -11139,7 +11147,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -11149,8 +11157,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -11160,8 +11168,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11170,8 +11178,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11180,8 +11188,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
@@ -11191,8 +11199,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -11204,8 +11212,8 @@ class IfcSectionedSurface_AreaProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(temp, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(temp, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSurface_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11214,8 +11222,8 @@ class IfcSectionedSurface_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSurface_DirectrixIs3D:
@@ -11225,8 +11233,8 @@ class IfcSectionedSurface_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSurface_NoOffsets:
     SCOPE = 'entity'
@@ -11235,8 +11243,8 @@ class IfcSectionedSurface_NoOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSurface_SectionsSameType:
     SCOPE = 'entity'
@@ -11245,7 +11253,7 @@ class IfcSectionedSurface_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 def calc_IfcSegment_Dim(self):
@@ -11258,8 +11266,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11268,8 +11276,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11278,8 +11286,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11288,8 +11296,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11298,8 +11306,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11308,8 +11316,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11318,8 +11326,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11328,7 +11336,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3_add1.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11337,7 +11345,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11346,7 +11354,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
     SCOPE = 'entity'
@@ -11355,7 +11363,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11364,7 +11372,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3_add1.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3_add1.ifcvertexpoint', 'ifc4x3_add1.ifcedgecurve', 'ifc4x3_add1.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
@@ -11377,8 +11385,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11387,8 +11395,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11397,8 +11405,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11407,8 +11415,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11417,8 +11425,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11427,8 +11435,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11437,8 +11445,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11447,8 +11455,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11457,8 +11465,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11467,8 +11475,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11477,8 +11485,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11487,8 +11495,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11500,8 +11508,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11510,8 +11518,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11520,8 +11528,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11530,8 +11538,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11540,8 +11548,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11550,8 +11558,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11560,7 +11568,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_add1.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_add1.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_add1.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_add1.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_add1.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_add1.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11569,8 +11577,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11579,8 +11587,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11589,8 +11597,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11599,8 +11607,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11609,8 +11617,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11619,8 +11627,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11629,8 +11637,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11639,8 +11647,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11649,8 +11657,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11659,8 +11667,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11669,8 +11677,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11679,8 +11687,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11689,8 +11697,8 @@ class IfcStructuralAnalysisModel_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11699,8 +11707,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11709,8 +11717,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11719,8 +11727,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11729,8 +11737,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11739,8 +11747,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11749,8 +11757,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11759,7 +11767,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11768,7 +11776,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add1.ifcstructuralloadlinearforce', 'ifc4x3_add1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add1.ifcstructuralloadlinearforce', 'ifc4x3_add1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11777,7 +11785,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11786,8 +11794,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11797,10 +11805,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11809,7 +11817,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11818,7 +11826,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add1.ifcstructuralloadplanarforce', 'ifc4x3_add1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add1.ifcstructuralloadplanarforce', 'ifc4x3_add1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11827,7 +11835,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add1.ifcstructuralloadsingleforce', 'ifc4x3_add1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add1.ifcstructuralloadsingleforce', 'ifc4x3_add1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11836,7 +11844,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add1.ifcstructuralloadsingleforce', 'ifc4x3_add1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add1.ifcstructuralloadsingleforce', 'ifc4x3_add1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11845,8 +11853,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11855,8 +11863,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11865,8 +11873,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11875,8 +11883,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11885,8 +11893,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11895,7 +11903,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11905,7 +11913,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add1.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add1.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11914,8 +11922,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11924,8 +11932,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11937,8 +11945,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11947,7 +11955,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -11960,8 +11968,8 @@ class IfcSurfaceFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -11970,17 +11978,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
     SCOPE = 'entity'
@@ -11989,7 +11997,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -11999,7 +12007,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -12009,7 +12017,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
@@ -12019,9 +12027,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
@@ -12031,7 +12039,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -12040,7 +12048,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -12049,7 +12057,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
     SCOPE = 'entity'
@@ -12058,7 +12066,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -12067,7 +12075,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -12076,8 +12084,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
     SCOPE = 'entity'
@@ -12086,9 +12094,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_add1.ifcconic', 'ifc4x3_add1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
@@ -12098,8 +12106,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -12108,8 +12116,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -12119,8 +12127,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -12129,7 +12137,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_add1.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3_add1.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_add1.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -12138,8 +12146,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12148,8 +12156,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12158,8 +12166,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12168,8 +12176,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12178,8 +12186,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12188,8 +12196,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12198,8 +12206,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12208,8 +12216,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -12219,8 +12227,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -12230,8 +12238,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -12240,20 +12248,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12262,8 +12270,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12272,8 +12280,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12282,8 +12290,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12292,8 +12300,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -12302,7 +12310,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12311,8 +12319,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12321,12 +12329,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12336,8 +12344,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12346,8 +12354,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12356,8 +12364,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12366,8 +12374,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12376,8 +12384,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12386,8 +12394,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12396,8 +12404,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12406,8 +12414,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12416,8 +12424,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12429,7 +12437,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12439,7 +12447,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add1.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3_add1.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12448,7 +12456,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12457,7 +12465,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12466,7 +12474,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12475,8 +12483,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12486,8 +12494,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12496,8 +12504,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12506,8 +12514,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12516,8 +12524,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12526,8 +12534,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctransformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctransformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12536,8 +12544,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12546,8 +12554,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12556,8 +12564,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12566,11 +12574,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12580,7 +12588,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
     SCOPE = 'entity'
@@ -12589,7 +12597,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3_add1.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
@@ -12599,7 +12607,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12609,7 +12617,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12619,8 +12627,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12629,8 +12637,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12639,8 +12647,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12649,7 +12657,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12658,7 +12666,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12668,7 +12676,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_add1.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_add1.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12677,8 +12685,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12688,8 +12696,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12699,7 +12707,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12709,8 +12717,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12719,8 +12727,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12729,8 +12737,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12739,8 +12747,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12749,8 +12757,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12759,8 +12767,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12769,8 +12777,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12779,8 +12787,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12789,8 +12797,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12799,12 +12807,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVehicle_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12813,8 +12821,8 @@ class IfcVehicle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVehicle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12823,8 +12831,8 @@ class IfcVehicle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvehicletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvehicletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVehicleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12833,8 +12841,8 @@ class IfcVehicleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12843,8 +12851,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12853,8 +12861,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12863,8 +12871,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12873,8 +12881,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12883,8 +12891,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12893,8 +12901,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVirtualElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12903,8 +12911,8 @@ class IfcVirtualElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12913,8 +12921,8 @@ class IfcVoidingFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12923,8 +12931,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12933,8 +12941,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -12943,7 +12951,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_add1.ifcrelassociates.relatedobjects') if 'ifc4x3_add1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_add1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_add1.ifcrelassociates.relatedobjects') if 'ifc4x3_add1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_add1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12952,8 +12960,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12962,8 +12970,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12972,8 +12980,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12982,8 +12990,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12992,8 +13000,8 @@ class IfcWindow_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -13002,8 +13010,8 @@ class IfcWindow_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add1.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -13012,8 +13020,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -13023,8 +13031,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -13034,8 +13042,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -13045,7 +13053,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -13054,7 +13062,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13063,8 +13071,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13073,8 +13081,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13083,8 +13091,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13093,8 +13101,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -13103,8 +13111,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -13114,19 +13122,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_add1.ifczone' in typeof(temp) or 'ifc4x3_add1.ifcspace' in typeof(temp) or 'ifc4x3_add1.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_add1.ifczone' in typeof(temp) or 'ifc4x3_add1.ifcspace' in typeof(temp) or 'ifc4x3_add1.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -13136,11 +13144,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -13154,13 +13162,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -13178,7 +13186,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -13215,11 +13223,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13399,7 +13407,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3_add1.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3_add1.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13412,26 +13420,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add1.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add1.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add1.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add1.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3_add1.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3_add1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3_add1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_add1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_add1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13440,21 +13448,21 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3_add1.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3_add1.ifcgradientcurve' in typeof(curve):
         return 3
     if 'ifc4x3_add1.ifcsegmentedreferencecurve' in typeof(curve):
         return 3
     if 'ifc4x3_add1.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3_add1.ifcoffsetcurve3d' in typeof(curve):
@@ -13464,19 +13472,19 @@ def IfcCurveDim(curve):
     if 'ifc4x3_add1.ifccurvesegment2d' in typeof(curve):
         return 2
     if 'ifc4x3_add1.ifcpolynomialcurve' in typeof(curve):
-        if not exists(getattr(curve, 'CoefficientsZ', INDETERMINATE)) and getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
+        if not exists(express_getattr(curve, 'CoefficientsZ', INDETERMINATE)) and express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
             return 2
         return 3
     if 'ifc4x3_add1.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3_add1.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13484,13 +13492,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSIUnit(n):
@@ -13560,15 +13568,15 @@ def IfcDimensionsForSIUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13577,42 +13585,42 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3_add1.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3_add1.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3_add1.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        if 'ifc4x3_add1.ifccurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
-        if 'ifc4x3_add1.ifccompositecurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        if 'ifc4x3_add1.ifccurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+            surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        if 'ifc4x3_add1.ifccompositecurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+            surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                if 'ifc4x3_add1.ifccurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                    surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
-                if 'ifc4x3_add1.ifccompositecurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                    surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                if 'ifc4x3_add1.ifccurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+                    surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                if 'ifc4x3_add1.ifccompositecurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+                    surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcListToArray(lis, low, u):
@@ -13629,9 +13637,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13649,10 +13657,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13663,25 +13671,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3_add1.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3_add1.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13693,29 +13701,29 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointDim(point):
     if 'ifc4x3_add1.ifccartesianpoint' in typeof(point):
-        return hiindex(getattr(point, 'Coordinates', INDETERMINATE))
+        return hiindex(express_getattr(point, 'Coordinates', INDETERMINATE))
     if 'ifc4x3_add1.ifcpointbydistanceexpression' in typeof(point):
-        return getattr(getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifcpointoncurve' in typeof(point):
-        return getattr(getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifcpointonsurface' in typeof(point):
-        return getattr(getattr(point, 'BasisSurface', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisSurface', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcPointListDim(pointlist):
@@ -13726,32 +13734,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap2, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap2, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13772,15 +13780,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3_add1.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13796,82 +13804,82 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcSegmentDim(segment):
     if 'ifc4x3_add1.ifccurvesegment' in typeof(segment):
-        return getattr(getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add1.ifccompositecurvesegment' in typeof(segment):
-        return getattr(getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsegment' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsectionedsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3_add1.ifcpoint', 'ifc4x3_add1.ifccurve', 'ifc4x3_add1.ifcgeometriccurveset', 'ifc4x3_add1.ifcannotationfillarea', 'ifc4x3_add1.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcgeometricset' in typeof(temp) or 'ifc4x3_add1.ifcpoint' in typeof(temp) or 'ifc4x3_add1.ifccurve' in typeof(temp) or ('ifc4x3_add1.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3_add1.ifcgeometricset' in typeof(temp) or 'ifc4x3_add1.ifcpoint' in typeof(temp) or ('ifc4x3_add1.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3_add1.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_add1.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_add1.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add1.ifctessellateditem', 'ifc4x3_add1.ifcshellbasedsurfacemodel', 'ifc4x3_add1.ifcfacebasedsurfacemodel', 'ifc4x3_add1.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add1.ifctessellateditem', 'ifc4x3_add1.ifcshellbasedsurfacemodel', 'ifc4x3_add1.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add1.ifcextrudedareasolid', 'ifc4x3_add1.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3_add1.ifcextrudedareasolidtapered', 'ifc4x3_add1.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add1.ifcsweptareasolid', 'ifc4x3_add1.ifcsweptdisksolid', 'ifc4x3_add1.ifcsectionedsolidhorizontal'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add1.ifcbooleanresult', 'ifc4x3_add1.ifccsgprimitive3d', 'ifc4x3_add1.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add1.ifccsgsolid', 'ifc4x3_add1.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13879,9 +13887,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13891,28 +13899,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3_add1.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3_add1.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3_add1.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3_add1.ifcopenshell' in typeof(temp) or 'ifc4x3_add1.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -13923,7 +13931,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3_add1.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3_add1.ifcpropertysetdefinitionset' in typeof(definition):
@@ -13936,7 +13944,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -13944,7 +13952,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3_add1.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -13952,41 +13960,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_add1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_add1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13994,31 +14002,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_add1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_add1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD2.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD2.py
index 946dfe3b0f..fee0cae2d4 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD2.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_ADD2.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,4995 +147,4996 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentCantSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-constantcant = getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-lineartransition = getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+constantcant = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+lineartransition = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentHorizontalSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-circulararc = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-cubic = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-line = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+cubic = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+line = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentVerticalSegmentTypeEnum = enum_namespace()
-circulararc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-constantgradient = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
-parabolicarc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+constantgradient = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
+parabolicarc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-contourline = getattr(IfcAnnotationTypeEnum, 'CONTOURLINE', INDETERMINATE)
-dimension = getattr(IfcAnnotationTypeEnum, 'DIMENSION', INDETERMINATE)
-isobar = getattr(IfcAnnotationTypeEnum, 'ISOBAR', INDETERMINATE)
-isolux = getattr(IfcAnnotationTypeEnum, 'ISOLUX', INDETERMINATE)
-isotherm = getattr(IfcAnnotationTypeEnum, 'ISOTHERM', INDETERMINATE)
-leader = getattr(IfcAnnotationTypeEnum, 'LEADER', INDETERMINATE)
-survey = getattr(IfcAnnotationTypeEnum, 'SURVEY', INDETERMINATE)
-symbol = getattr(IfcAnnotationTypeEnum, 'SYMBOL', INDETERMINATE)
-text = getattr(IfcAnnotationTypeEnum, 'TEXT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contourline = express_getattr(IfcAnnotationTypeEnum, 'CONTOURLINE', INDETERMINATE)
+dimension = express_getattr(IfcAnnotationTypeEnum, 'DIMENSION', INDETERMINATE)
+isobar = express_getattr(IfcAnnotationTypeEnum, 'ISOBAR', INDETERMINATE)
+isolux = express_getattr(IfcAnnotationTypeEnum, 'ISOLUX', INDETERMINATE)
+isotherm = express_getattr(IfcAnnotationTypeEnum, 'ISOTHERM', INDETERMINATE)
+leader = express_getattr(IfcAnnotationTypeEnum, 'LEADER', INDETERMINATE)
+survey = express_getattr(IfcAnnotationTypeEnum, 'SURVEY', INDETERMINATE)
+symbol = express_getattr(IfcAnnotationTypeEnum, 'SYMBOL', INDETERMINATE)
+text = express_getattr(IfcAnnotationTypeEnum, 'TEXT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-modulo = getattr(IfcArithmeticOperatorEnum, 'MODULO', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+modulo = express_getattr(IfcArithmeticOperatorEnum, 'MODULO', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-communicationterminal = getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-recordingequipment = getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+communicationterminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+recordingequipment = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-railwayline = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
-railwaytrack = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+railwayline = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
+railwaytrack = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-junction = getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-transition = getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+junction = express_getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+transition = express_getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-intelligentperipheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
-ipnetworkequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
-linesideelectronicunit = getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-opticallineterminal = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
-opticalnetworkunit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-radioblockcenter = getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+intelligentperipheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
+ipnetworkequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
+linesideelectronicunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+opticallineterminal = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
+opticalnetworkunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+radioblockcenter = express_getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-topping = getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+topping = express_getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-filler = getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
-flashing = getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-pointmachinemountingdevice = getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
-point_machine_locking_device = getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+filler = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
+flashing = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+pointmachinemountingdevice = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
+point_machine_locking_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-dispatchingboard = getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+dispatchingboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fixedtransmissionnetwork = getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-mobilenetwork = getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
-monitoringsystem = getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-operationaltelephonysystem = getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fixedtransmissionnetwork = express_getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+mobilenetwork = express_getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
+monitoringsystem = express_getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+operationaltelephonysystem = express_getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-double_door_lifting_vertical = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_LIFTING_VERTICAL', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-lifting_horizontal = getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
-lifting_vertical_left = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
-lifting_vertical_right = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-revolving_vertical = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+double_door_lifting_vertical = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_LIFTING_VERTICAL', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+lifting_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
+lifting_vertical_left = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
+lifting_vertical_right = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+revolving_vertical = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-firemonitor = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+firemonitor = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-vegetation = getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+vegetation = express_getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeotechnicalStratumTypeEnum = enum_namespace()
-solid = getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
-void = getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
-water = getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solid = express_getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
+void = express_getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
+water = express_getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKerbTypeEnum = enum_namespace()
-userdefined = getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcKerbTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcKerbTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-revetment = getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+revetment = express_getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-storagearea = getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+storagearea = express_getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-gateway_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-mobileswitchingcenter = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
-mscserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
-packetcontrolunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
-remoteradiounit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-service_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
-subscriberserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+gateway_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+mobileswitchingcenter = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
+mscserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
+packetcontrolunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
+remoteradiounit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+service_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
+subscriberserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPavementTypeEnum = enum_namespace()
-flexible = getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
-rigid = getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
-userdefined = getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexible = express_getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
+rigid = express_getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
+userdefined = express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_materialdriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-pset_profiledriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_materialdriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+pset_profiledriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-abovetrack = getattr(IfcRailwayPartTypeEnum, 'ABOVETRACK', INDETERMINATE)
-dilationtrack = getattr(IfcRailwayPartTypeEnum, 'DILATIONTRACK', INDETERMINATE)
-lineside = getattr(IfcRailwayPartTypeEnum, 'LINESIDE', INDETERMINATE)
-linesidepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDEPART', INDETERMINATE)
-plaintrack = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACK', INDETERMINATE)
-substructure = getattr(IfcRailwayPartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-track = getattr(IfcRailwayPartTypeEnum, 'TRACK', INDETERMINATE)
-trackpart = getattr(IfcRailwayPartTypeEnum, 'TRACKPART', INDETERMINATE)
-turnouttrack = getattr(IfcRailwayPartTypeEnum, 'TURNOUTTRACK', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abovetrack = express_getattr(IfcRailwayPartTypeEnum, 'ABOVETRACK', INDETERMINATE)
+dilationtrack = express_getattr(IfcRailwayPartTypeEnum, 'DILATIONTRACK', INDETERMINATE)
+lineside = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDE', INDETERMINATE)
+linesidepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDEPART', INDETERMINATE)
+plaintrack = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACK', INDETERMINATE)
+substructure = express_getattr(IfcRailwayPartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+track = express_getattr(IfcRailwayPartTypeEnum, 'TRACK', INDETERMINATE)
+trackpart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKPART', INDETERMINATE)
+turnouttrack = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTTRACK', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayTypeEnum = enum_namespace()
-userdefined = getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-boundary = getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
-intersection = getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-landmark = getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-position = getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-superelevationevent = getattr(IfcReferentTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-widthevent = getattr(IfcReferentTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
+intersection = express_getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+landmark = express_getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+position = express_getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+superelevationevent = express_getattr(IfcReferentTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+widthevent = express_getattr(IfcReferentTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-physical = getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+physical = express_getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadTypeEnum = enum_namespace()
-userdefined = getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_number = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_number = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-berth = getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+berth = express_getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-interference = getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+interference = express_getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-adjustment = getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-calibration = getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-emergency = getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
-inspection = getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-safety = getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
-shutdown = getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
-testing = getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
-troubleshooting = getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adjustment = express_getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+calibration = express_getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+emergency = express_getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
+inspection = express_getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+safety = express_getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
+shutdown = express_getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
+testing = express_getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
+troubleshooting = express_getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-craneway = getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-haulinggear = getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+haulinggear = express_getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-basestationcontroller = getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+basestationcontroller = express_getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVehicleTypeEnum = enum_namespace()
-cargo = getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
-rollingstock = getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehicle = getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicleair = getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-vehiclemarine = getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-vehicletracked = getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-vehiclewheeled = getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-userdefined = getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cargo = express_getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
+rollingstock = express_getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehicle = express_getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicleair = express_getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+vehiclemarine = express_getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+vehicletracked = express_getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+userdefined = express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVirtualElementTypeEnum = enum_namespace()
-boundary = getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
-clearance = getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
-provisionforvoid = getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-userdefined = getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
+clearance = express_getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
+provisionforvoid = express_getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+userdefined = express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3_ADD2')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignmentCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCant', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCant', *args, **kwargs)
 
 def IfcAlignmentCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCantSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCantSegment', *args, **kwargs)
 
 def IfcAlignmentHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontal', *args, **kwargs)
 
 def IfcAlignmentHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontalSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontalSegment', *args, **kwargs)
 
 def IfcAlignmentParameterSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentParameterSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentParameterSegment', *args, **kwargs)
 
 def IfcAlignmentSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentSegment', *args, **kwargs)
 
 def IfcAlignmentVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVertical', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVertical', *args, **kwargs)
 
 def IfcAlignmentVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVerticalSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVerticalSegment', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxis2PlacementLinear(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2PlacementLinear', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2PlacementLinear', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBridgePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridgePart', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBridgePart', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcClothoid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClothoid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcClothoid', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCosineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCosineSpiral', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCosineSpiral', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDerivedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFacilityPartCommon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPartCommon', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPartCommon', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicCRS', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicCRS', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGradientCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGradientCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGradientCurve', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedPolygonalTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalTextureMap', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalTextureMap', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLinearElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearElement', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMapConversionScaled(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversionScaled', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversionScaled', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMarinePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarinePart', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMarinePart', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointByDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointByDistanceExpression', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointByDistanceExpression', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPolynomialCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolynomialCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolynomialCurve', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantityNumber(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityNumber', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityNumber', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRailwayPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailwayPart', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailwayPart', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAdheresToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAdheresToElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAdheresToElement', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRigidOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRigidOperation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRigidOperation', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoadPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoadPart', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoadPart', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSecondOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSecondOrderPolynomialSpiral', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSecondOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSegment', *args, **kwargs)
 
 def IfcSegmentedReferenceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegmentedReferenceCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSegmentedReferenceCurve', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcSeventhOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeventhOrderPolynomialSpiral', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSeventhOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSineSpiral', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSineSpiral', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpiral', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpiral', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureCoordinateIndices(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndices', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndices', *args, **kwargs)
 
 def IfcTextureCoordinateIndicesWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndicesWithVoids', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndicesWithVoids', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcThirdOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcThirdOrderPolynomialSpiral', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcThirdOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTransportationDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDevice', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDevice', *args, **kwargs)
 
 def IfcTransportationDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDeviceType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDeviceType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVehicle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicle', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicle', *args, **kwargs)
 
 def IfcVehicleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicleType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicleType', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWellKnownText(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWellKnownText', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWellKnownText', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3_ADD2', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5137,7 +5145,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5218,7 +5226,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5227,7 +5235,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5236,7 +5244,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5335,7 +5343,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5344,7 +5352,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5353,7 +5361,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5362,8 +5370,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5372,8 +5380,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5382,8 +5390,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5392,8 +5400,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5402,8 +5410,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5412,7 +5420,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add2.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add2.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5421,8 +5429,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add2.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_add2.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5431,7 +5439,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add2.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_add2.ifcline', 'ifc4x3_add2.ifcconic', 'ifc4x3_add2.ifcpolyline', 'ifc4x3_add2.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add2.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_add2.ifcline', 'ifc4x3_add2.ifcconic', 'ifc4x3_add2.ifcpolyline', 'ifc4x3_add2.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5440,7 +5448,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add2.ifcelementarysurface', 'ifc4x3_add2.ifcsweptsurface', 'ifc4x3_add2.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add2.ifcelementarysurface', 'ifc4x3_add2.ifcsweptsurface', 'ifc4x3_add2.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5449,7 +5457,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add2.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_add2.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_add2.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_add2.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5458,8 +5466,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5468,8 +5476,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5478,8 +5486,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5488,8 +5496,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5498,8 +5506,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5508,8 +5516,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5518,8 +5526,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5528,8 +5536,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5538,8 +5546,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5548,8 +5556,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5558,8 +5566,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5568,8 +5576,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5578,8 +5586,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5589,8 +5597,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5599,7 +5607,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5609,7 +5617,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5619,7 +5627,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3_add2.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5628,8 +5636,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5638,7 +5646,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5647,8 +5655,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5657,7 +5665,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3_add2.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5667,9 +5675,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5679,9 +5687,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5691,9 +5699,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5703,9 +5711,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5715,8 +5723,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5725,8 +5733,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5735,8 +5743,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5745,8 +5753,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5755,7 +5763,7 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIsCP:
     SCOPE = 'entity'
@@ -5764,10 +5772,10 @@ class IfcAxis1Placement_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_LocationIs2D:
@@ -5777,7 +5785,7 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIsCP:
     SCOPE = 'entity'
@@ -5786,7 +5794,7 @@ class IfcAxis2Placement2D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement2D_RefDirIs2D:
     SCOPE = 'entity'
@@ -5795,11 +5803,11 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
@@ -5809,8 +5817,8 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
@@ -5820,8 +5828,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5830,9 +5838,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_LocationIs3D:
     SCOPE = 'entity'
@@ -5841,7 +5849,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_LocationIsCP:
     SCOPE = 'entity'
@@ -5850,7 +5858,7 @@ class IfcAxis2Placement3D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5859,12 +5867,12 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcAxis2PlacementLinear_WR1:
@@ -5874,7 +5882,7 @@ class IfcAxis2PlacementLinear_WR1:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifcpointbydistanceexpression' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_add2.ifcpointbydistanceexpression' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2PlacementLinear_WR2:
     SCOPE = 'entity'
@@ -5883,9 +5891,9 @@ class IfcAxis2PlacementLinear_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcBSplineCurve_SameDim:
     SCOPE = 'entity'
@@ -5894,16 +5902,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5913,11 +5921,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5927,26 +5935,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
@@ -5956,8 +5964,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -5967,8 +5975,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5978,10 +5986,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5990,17 +5998,17 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -6010,8 +6018,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6020,8 +6028,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6030,8 +6038,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6040,8 +6048,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6050,8 +6058,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6060,8 +6068,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6070,7 +6078,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
@@ -6080,7 +6088,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBoiler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6089,8 +6097,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6099,8 +6107,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6109,8 +6117,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6119,7 +6127,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3_add2.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3_add2.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3_add2.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6129,7 +6137,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6139,7 +6147,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3_add2.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
@@ -6149,8 +6157,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3_add2.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3_add2.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SameDim:
     SCOPE = 'entity'
@@ -6159,9 +6167,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6170,12 +6178,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3_add2.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3_add2.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6184,7 +6192,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6196,7 +6204,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3_add2.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3_add2.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBridge_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6205,8 +6213,8 @@ class IfcBridge_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBridgePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6215,8 +6223,8 @@ class IfcBridgePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6225,8 +6233,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6235,8 +6243,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6245,8 +6253,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6255,8 +6263,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6265,8 +6273,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6275,7 +6283,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6284,8 +6292,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6294,8 +6302,8 @@ class IfcBuildingSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6304,7 +6312,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_add2.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_add2.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6313,8 +6321,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6323,8 +6331,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6333,8 +6341,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6343,8 +6351,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6353,8 +6361,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6364,10 +6372,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6377,9 +6385,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6389,8 +6397,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6399,8 +6407,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6409,8 +6417,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6419,8 +6427,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6429,8 +6437,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6439,8 +6447,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6449,8 +6457,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6459,8 +6467,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6469,8 +6477,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6479,8 +6487,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6489,8 +6497,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6499,8 +6507,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6509,8 +6517,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6519,8 +6527,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6529,8 +6537,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6539,7 +6547,7 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6552,16 +6560,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6570,7 +6578,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6579,7 +6587,7 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6588,10 +6596,10 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6600,12 +6608,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6614,7 +6622,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6623,7 +6631,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6632,8 +6640,8 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6642,11 +6650,11 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6655,7 +6663,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6665,16 +6673,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6683,8 +6691,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6693,8 +6701,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6703,8 +6711,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6713,8 +6721,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6723,8 +6731,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6733,8 +6741,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6743,8 +6751,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6753,8 +6761,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6763,8 +6771,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6773,8 +6781,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6783,8 +6791,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6793,8 +6801,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6803,8 +6811,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6813,8 +6821,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6823,8 +6831,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6833,8 +6841,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6843,7 +6851,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6853,7 +6861,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6863,7 +6871,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6873,7 +6881,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6883,9 +6891,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6894,17 +6902,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6913,7 +6921,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6926,7 +6934,7 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3_add2.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 class IfcCompositeProfileDef_InvariantProfileType:
@@ -6936,8 +6944,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6946,7 +6954,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3_add2.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6956,8 +6964,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6966,8 +6974,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6976,8 +6984,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6986,8 +6994,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6996,8 +7004,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7006,8 +7014,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -7016,8 +7024,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7026,8 +7034,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7036,8 +7044,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7046,8 +7054,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7056,8 +7064,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7066,8 +7074,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7076,8 +7084,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7086,8 +7094,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7096,8 +7104,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7106,8 +7114,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7116,8 +7124,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7126,8 +7134,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7136,8 +7144,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7146,8 +7154,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7156,8 +7164,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7166,8 +7174,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7176,8 +7184,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7186,8 +7194,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7196,8 +7204,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoordinateReferenceSystem_NameOrWKT:
     SCOPE = 'entity'
@@ -7206,8 +7214,8 @@ class IfcCoordinateReferenceSystem_NameOrWKT:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        wellknowntext = getattr(self, 'WellKnownText', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        wellknowntext = express_getattr(self, 'WellKnownText', INDETERMINATE)
         assert (hiindex(wellknowntext) == 1 or exists(name)) is not False
 
 class IfcCourse_CorrectPredefinedType:
@@ -7217,8 +7225,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7227,8 +7235,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7237,8 +7245,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7247,8 +7255,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7257,8 +7265,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7267,8 +7275,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7277,8 +7285,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7287,8 +7295,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7300,8 +7308,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7310,8 +7318,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7320,8 +7328,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -7333,9 +7341,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyle_MeasureOfWidth:
@@ -7345,7 +7353,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3_add2.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3_add2.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7355,7 +7363,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7365,8 +7373,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7375,8 +7383,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7385,8 +7393,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7395,8 +7403,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7405,8 +7413,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7415,8 +7423,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7425,11 +7433,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7439,11 +7447,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7453,9 +7461,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_add2.ifcconic', 'ifc4x3_add2.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7465,8 +7473,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7475,8 +7483,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7485,8 +7493,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7495,8 +7503,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7505,8 +7513,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7515,8 +7523,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7525,8 +7533,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7535,8 +7543,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7545,8 +7553,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7555,8 +7563,8 @@ class IfcDistributionSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7565,8 +7573,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectPredefinedType:
@@ -7576,8 +7584,8 @@ class IfcDoor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDoor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7586,8 +7594,8 @@ class IfcDoor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7596,8 +7604,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7607,8 +7615,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7618,8 +7626,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7629,8 +7637,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7640,7 +7648,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7649,7 +7657,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7658,8 +7666,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7668,7 +7676,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7677,7 +7685,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7686,8 +7694,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7696,8 +7704,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7706,8 +7714,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7716,8 +7724,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7726,8 +7734,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7736,8 +7744,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7746,8 +7754,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7756,8 +7764,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7766,8 +7774,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7776,8 +7784,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7786,8 +7794,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7796,9 +7804,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7810,7 +7818,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7820,8 +7828,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7830,8 +7838,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7840,8 +7848,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7850,8 +7858,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7860,8 +7868,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7870,8 +7878,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7880,8 +7888,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7890,8 +7898,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7900,8 +7908,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7910,8 +7918,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7920,8 +7928,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7930,8 +7938,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7940,8 +7948,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7950,8 +7958,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7960,8 +7968,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7970,8 +7978,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7980,8 +7988,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7990,8 +7998,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8000,8 +8008,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8010,8 +8018,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8020,8 +8028,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8030,8 +8038,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8040,8 +8048,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8050,8 +8058,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -8060,7 +8068,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -8070,8 +8078,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8080,8 +8088,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8090,8 +8098,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8100,8 +8108,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8110,8 +8118,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8120,8 +8128,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8130,8 +8138,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8140,8 +8148,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8150,8 +8158,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8160,8 +8168,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8170,9 +8178,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8181,9 +8189,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8192,8 +8200,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8202,9 +8210,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8214,7 +8222,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8223,7 +8231,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8232,7 +8240,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3_add2.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8245,8 +8253,8 @@ class IfcFacilityPartCommon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8255,8 +8263,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8265,8 +8273,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8275,8 +8283,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8285,8 +8293,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8295,8 +8303,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8305,8 +8313,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElement_NotContained:
     SCOPE = 'entity'
@@ -8315,7 +8323,7 @@ class IfcFeatureElement_NotContained:
 
     @staticmethod
     def __call__(self):
-        containedinstructure = getattr(self, 'ContainedInStructure', INDETERMINATE)
+        containedinstructure = express_getattr(self, 'ContainedInStructure', INDETERMINATE)
         assert (sizeof(containedinstructure) == 0) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
@@ -8325,7 +8333,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8334,7 +8342,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8343,7 +8351,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8352,7 +8360,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add2.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add2.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8361,7 +8369,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add2.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_add2.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8370,8 +8378,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8380,8 +8388,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8390,8 +8398,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8400,8 +8408,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8410,8 +8418,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8420,8 +8428,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8430,8 +8438,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8440,8 +8448,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8450,8 +8458,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8460,8 +8468,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8470,8 +8478,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8480,8 +8488,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8490,8 +8498,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8500,8 +8508,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8510,8 +8518,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8520,8 +8528,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8530,8 +8538,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8540,8 +8548,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8550,8 +8558,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8560,8 +8568,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicCRS_AngleUnitIsPlaneAngle:
     SCOPE = 'entity'
@@ -8570,7 +8578,7 @@ class IfcGeographicCRS_AngleUnitIsPlaneAngle:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'AngleUnit', INDETERMINATE)) or getattr(getattr(self, 'AngleUnit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'AngleUnit', INDETERMINATE)) or express_getattr(express_getattr(self, 'AngleUnit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)) is not False
 
 class IfcGeographicCRS_HeightUnitIsLength:
     SCOPE = 'entity'
@@ -8579,7 +8587,7 @@ class IfcGeographicCRS_HeightUnitIsLength:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'HeightUnit', INDETERMINATE)) or getattr(getattr(self, 'HeightUnit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'HeightUnit', INDETERMINATE)) or express_getattr(express_getattr(self, 'HeightUnit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8588,8 +8596,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8598,8 +8606,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8608,8 +8616,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8618,7 +8626,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_add2.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_add2.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8627,8 +8635,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8637,7 +8645,7 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8646,7 +8654,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8656,25 +8664,25 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8683,12 +8691,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGeotechnicalStratum_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8697,8 +8705,8 @@ class IfcGeotechnicalStratum_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -8707,8 +8715,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8717,9 +8725,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8732,8 +8740,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8742,8 +8750,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8752,8 +8760,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8762,8 +8770,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8772,8 +8780,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8782,8 +8790,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
     SCOPE = 'entity'
@@ -8792,11 +8800,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
@@ -8806,8 +8814,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8817,8 +8825,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8828,8 +8836,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8838,8 +8846,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8848,8 +8856,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8858,7 +8866,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8868,8 +8876,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8878,8 +8886,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8888,8 +8896,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8898,7 +8906,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8907,7 +8915,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8916,8 +8924,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8926,8 +8934,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8936,8 +8944,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcKerb_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8946,8 +8954,8 @@ class IfcKerb_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcKerb_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8956,8 +8964,8 @@ class IfcKerb_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifckerbtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifckerbtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcKerbType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8966,8 +8974,8 @@ class IfcKerbType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8976,9 +8984,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8988,8 +8996,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8998,8 +9006,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9008,8 +9016,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9018,8 +9026,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9028,8 +9036,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9038,8 +9046,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9048,8 +9056,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9058,8 +9066,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -9068,9 +9076,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9079,8 +9087,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9089,8 +9097,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9099,8 +9107,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -9109,8 +9117,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMapConversion_TargetCRSOnlyProjected:
@@ -9120,7 +9128,7 @@ class IfcMapConversion_TargetCRSOnlyProjected:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifcprojectedcrs' in typeof(getattr(self, 'TargetCRS', INDETERMINATE))) is not False
+        assert ('ifc4x3_add2.ifcprojectedcrs' in typeof(express_getattr(self, 'TargetCRS', INDETERMINATE))) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9129,8 +9137,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMarinePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9139,8 +9147,8 @@ class IfcMarinePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -9149,7 +9157,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_add2.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -9159,7 +9167,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -9172,7 +9180,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -9182,8 +9190,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9192,8 +9200,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9202,8 +9210,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9212,8 +9220,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9222,8 +9230,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9232,8 +9240,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9242,8 +9250,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9252,8 +9260,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9262,8 +9270,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9275,8 +9283,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9285,8 +9293,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9295,8 +9303,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9305,8 +9313,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9315,8 +9323,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9325,8 +9333,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9335,8 +9343,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9345,8 +9353,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9355,8 +9363,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9365,7 +9373,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9374,8 +9382,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9384,8 +9392,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9394,8 +9402,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9404,7 +9412,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9414,8 +9422,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9424,8 +9432,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9434,8 +9442,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9444,8 +9452,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9454,7 +9462,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9463,8 +9471,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9474,8 +9482,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOpeningElement_CorrectPredefinedType:
@@ -9485,8 +9493,8 @@ class IfcOpeningElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -9495,18 +9503,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9515,8 +9523,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9525,8 +9533,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9535,8 +9543,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9545,9 +9553,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9565,8 +9573,8 @@ class IfcPavement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPavement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9575,8 +9583,8 @@ class IfcPavement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpavementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpavementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPavementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9585,8 +9593,8 @@ class IfcPavementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPcurve_DimIs2D:
     SCOPE = 'entity'
@@ -9595,8 +9603,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9605,9 +9613,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9617,9 +9625,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9629,7 +9637,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9639,7 +9647,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9649,8 +9657,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9659,8 +9667,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9669,8 +9677,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9679,8 +9687,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9689,8 +9697,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9699,8 +9707,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9709,8 +9717,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9719,8 +9727,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9729,8 +9737,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9739,7 +9747,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9749,7 +9757,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9759,7 +9767,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9769,7 +9777,7 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9779,14 +9787,14 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9795,8 +9803,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9805,8 +9813,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9815,8 +9823,8 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPoint_Dim(self):
     return IfcPointDim(self)
@@ -9828,8 +9836,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9838,8 +9846,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9848,7 +9856,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3_add2.ifcpolyline', 'ifc4x3_add2.ifccompositecurve', 'ifc4x3_add2.ifcindexedpolycurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9858,8 +9866,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolynomialCurve_CorrectPositionDim:
     SCOPE = 'entity'
@@ -9868,9 +9876,9 @@ class IfcPolynomialCurve_CorrectPositionDim:
 
     @staticmethod
     def __call__(self):
-        position = getattr(self, 'Position', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
-        assert (getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or getattr(position, 'Dim', INDETERMINATE) == 3) is not False
+        position = express_getattr(self, 'Position', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
+        assert (express_getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or express_getattr(position, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcPolynomialCurve_ValidCoefficients:
     SCOPE = 'entity'
@@ -9879,9 +9887,9 @@ class IfcPolynomialCurve_ValidCoefficients:
 
     @staticmethod
     def __call__(self):
-        coefficientsx = getattr(self, 'CoefficientsX', INDETERMINATE)
-        coefficientsy = getattr(self, 'CoefficientsY', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
+        coefficientsx = express_getattr(self, 'CoefficientsX', INDETERMINATE)
+        coefficientsy = express_getattr(self, 'CoefficientsY', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
         assert (exists(coefficientsx) and exists(coefficientsy) or (exists(coefficientsx) and exists(coefficientsz)) or (exists(coefficientsy) and exists(coefficientsz)) or (exists(coefficientsx) and exists(coefficientsy) and exists(coefficientsz))) is not False
 
 class IfcPositioningElement_HasPlacement:
@@ -9891,7 +9899,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9900,13 +9908,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9916,7 +9924,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_add2.ifcshaperepresentation', 'ifc4x3_add2.ifcgeometricrepresentationitem', 'ifc4x3_add2.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9926,7 +9934,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_add2.ifcgeometricrepresentationitem', 'ifc4x3_add2.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
@@ -9936,8 +9944,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedure_HasName:
     SCOPE = 'entity'
@@ -9946,7 +9954,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9955,8 +9963,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9965,9 +9973,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_add2.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_add2.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9976,7 +9984,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_add2.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_CorrectContext:
@@ -9986,7 +9994,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_add2.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_add2.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
     SCOPE = 'entity'
@@ -9995,7 +10003,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -10004,7 +10012,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_MapUnitIsLength:
     SCOPE = 'entity'
@@ -10013,7 +10021,7 @@ class IfcProjectedCRS_MapUnitIsLength:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'MapUnit', INDETERMINATE)) or getattr(getattr(self, 'MapUnit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'MapUnit', INDETERMINATE)) or express_getattr(express_getattr(self, 'MapUnit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcProjectionElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10022,8 +10030,8 @@ class IfcProjectionElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
     SCOPE = 'entity'
@@ -10032,8 +10040,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
@@ -10043,8 +10051,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -10054,8 +10062,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -10065,8 +10073,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -10076,9 +10084,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -10087,7 +10095,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -10096,7 +10104,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -10105,7 +10113,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10114,7 +10122,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -10124,7 +10132,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10133,7 +10141,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -10143,8 +10151,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -10154,8 +10162,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -10164,8 +10172,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10174,8 +10182,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10184,8 +10192,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10194,8 +10202,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10204,8 +10212,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10214,8 +10222,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10224,8 +10232,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10234,8 +10242,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10244,8 +10252,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10254,8 +10262,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10264,7 +10272,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10273,7 +10281,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10283,7 +10291,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10293,7 +10301,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10302,7 +10310,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10312,7 +10320,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10321,7 +10329,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10331,7 +10339,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10340,7 +10348,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10350,7 +10358,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10359,7 +10367,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10369,8 +10377,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10379,8 +10387,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10389,8 +10397,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10399,8 +10407,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10409,8 +10417,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10419,8 +10427,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailway_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10429,8 +10437,8 @@ class IfcRailway_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailwayPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10439,8 +10447,8 @@ class IfcRailwayPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10449,8 +10457,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10459,8 +10467,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10469,8 +10477,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10479,8 +10487,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10489,8 +10497,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10499,8 +10507,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10509,8 +10517,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10522,8 +10530,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10532,8 +10540,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10545,9 +10553,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
@@ -10557,9 +10565,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10568,8 +10576,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
     SCOPE = 'entity'
@@ -10578,8 +10586,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10588,8 +10596,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10599,10 +10607,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3_add2.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3_add2.ifcplane' in typeof(basissurface)) or 'ifc4x3_add2.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10612,8 +10620,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10623,9 +10631,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10635,8 +10643,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10645,8 +10653,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10655,8 +10663,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10665,8 +10673,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
@@ -10676,8 +10684,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10686,8 +10694,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10696,8 +10704,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10706,8 +10714,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
@@ -10717,8 +10725,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRelAggregates_NoSelfReference:
     SCOPE = 'entity'
@@ -10727,8 +10735,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10738,8 +10746,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10748,8 +10756,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10758,8 +10766,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10768,8 +10776,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10778,8 +10786,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10788,8 +10796,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10798,7 +10806,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_add2.ifcelement', 'ifc4x3_add2.ifcelementtype', 'ifc4x3_add2.ifcstructuralmember', 'ifc4x3_add2.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_add2.ifcelement', 'ifc4x3_add2.ifcelementtype', 'ifc4x3_add2.ifcstructuralmember', 'ifc4x3_add2.ifcport']) == 0]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10807,7 +10815,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add2.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_add2.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add2.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_add2.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10816,8 +10824,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10827,7 +10835,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10837,7 +10845,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10847,8 +10855,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10858,7 +10866,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_add2.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10868,8 +10876,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10879,7 +10887,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add2.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_add2.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10888,8 +10896,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10899,8 +10907,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10910,8 +10918,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10921,7 +10929,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_add2.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3_add2.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10931,8 +10939,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10942,9 +10950,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10953,9 +10961,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_add2.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_add2.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_add2.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_add2.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_add2.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_add2.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10964,7 +10972,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10974,7 +10982,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3_add2.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
@@ -10984,8 +10992,8 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
     SCOPE = 'entity'
@@ -10994,12 +11002,12 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(getattr(axis, 'Location', INDETERMINATE)) and express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert ('ifc4x3_add2.ifccartesianpoint' in typeof(express_getattr(axis, 'Location', INDETERMINATE)) and express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -11008,7 +11016,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRigidOperation_SameCoordinateType:
     SCOPE = 'entity'
@@ -11017,8 +11025,8 @@ class IfcRigidOperation_SameCoordinateType:
 
     @staticmethod
     def __call__(self):
-        firstcoordinate = getattr(self, 'FirstCoordinate', INDETERMINATE)
-        secondcoordinate = getattr(self, 'SecondCoordinate', INDETERMINATE)
+        firstcoordinate = express_getattr(self, 'FirstCoordinate', INDETERMINATE)
+        secondcoordinate = express_getattr(self, 'SecondCoordinate', INDETERMINATE)
         assert ('ifc4x3_add2.ifclengthmeasure' in typeof(firstcoordinate) and 'ifc4x3_add2.ifclengthmeasure' in typeof(secondcoordinate) or ('ifc4x3_add2.ifcplaneanglemeasure' in typeof(firstcoordinate) and 'ifc4x3_add2.ifcplaneanglemeasure' in typeof(secondcoordinate))) is not False
 
 class IfcRoad_CorrectPredefinedType:
@@ -11028,8 +11036,8 @@ class IfcRoad_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoadPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11038,8 +11046,8 @@ class IfcRoadPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11048,8 +11056,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11058,8 +11066,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11068,8 +11076,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -11078,11 +11086,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSIUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSIUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11091,8 +11099,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11101,8 +11109,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11111,8 +11119,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -11121,7 +11129,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -11130,7 +11138,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11139,8 +11147,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -11149,8 +11157,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -11159,7 +11167,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -11169,8 +11177,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -11180,8 +11188,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11190,8 +11198,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11200,8 +11208,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
@@ -11211,8 +11219,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -11224,8 +11232,8 @@ class IfcSectionedSurface_AreaProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(temp, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) != 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(temp, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) != 0) is not False
 
 class IfcSectionedSurface_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11234,8 +11242,8 @@ class IfcSectionedSurface_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSurface_DirectrixIs3D:
@@ -11245,8 +11253,8 @@ class IfcSectionedSurface_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSurface_NoOffsets:
     SCOPE = 'entity'
@@ -11255,8 +11263,8 @@ class IfcSectionedSurface_NoOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSurface_SectionsSameType:
     SCOPE = 'entity'
@@ -11265,7 +11273,7 @@ class IfcSectionedSurface_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 def calc_IfcSegment_Dim(self):
@@ -11278,8 +11286,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11288,8 +11296,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11298,8 +11306,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11308,8 +11316,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11318,8 +11326,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11328,8 +11336,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11338,8 +11346,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11348,7 +11356,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3_add2.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11357,7 +11365,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11366,7 +11374,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
     SCOPE = 'entity'
@@ -11375,7 +11383,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11384,7 +11392,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3_add2.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3_add2.ifcvertexpoint', 'ifc4x3_add2.ifcedgecurve', 'ifc4x3_add2.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
@@ -11397,8 +11405,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11407,8 +11415,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11417,8 +11425,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11427,8 +11435,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11437,8 +11445,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11447,8 +11455,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11457,8 +11465,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11467,8 +11475,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11477,8 +11485,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11487,8 +11495,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11497,8 +11505,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11507,8 +11515,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11520,8 +11528,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11530,8 +11538,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11540,8 +11548,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11550,8 +11558,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11560,8 +11568,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11570,8 +11578,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11580,7 +11588,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_add2.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_add2.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_add2.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_add2.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_add2.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_add2.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11589,8 +11597,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11599,8 +11607,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11609,8 +11617,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11619,8 +11627,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11629,8 +11637,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11639,8 +11647,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11649,8 +11657,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11659,8 +11667,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11669,8 +11677,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11679,8 +11687,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11689,8 +11697,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11699,8 +11707,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11709,8 +11717,8 @@ class IfcStructuralAnalysisModel_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11719,8 +11727,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11729,8 +11737,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11739,8 +11747,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11749,8 +11757,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11759,8 +11767,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11769,8 +11777,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11779,7 +11787,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11788,7 +11796,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add2.ifcstructuralloadlinearforce', 'ifc4x3_add2.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add2.ifcstructuralloadlinearforce', 'ifc4x3_add2.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11797,7 +11805,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11806,8 +11814,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11817,10 +11825,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11829,7 +11837,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11838,7 +11846,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add2.ifcstructuralloadplanarforce', 'ifc4x3_add2.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add2.ifcstructuralloadplanarforce', 'ifc4x3_add2.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11847,7 +11855,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add2.ifcstructuralloadsingleforce', 'ifc4x3_add2.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add2.ifcstructuralloadsingleforce', 'ifc4x3_add2.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11856,7 +11864,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_add2.ifcstructuralloadsingleforce', 'ifc4x3_add2.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_add2.ifcstructuralloadsingleforce', 'ifc4x3_add2.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11865,8 +11873,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11875,8 +11883,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11885,8 +11893,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11895,8 +11903,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11905,8 +11913,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11915,7 +11923,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11925,7 +11933,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add2.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add2.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11934,8 +11942,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11944,8 +11952,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11957,8 +11965,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11967,7 +11975,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -11980,8 +11988,8 @@ class IfcSurfaceFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -11990,17 +11998,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
     SCOPE = 'entity'
@@ -12009,7 +12017,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -12019,7 +12027,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -12029,7 +12037,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
@@ -12039,9 +12047,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
@@ -12051,7 +12059,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -12060,7 +12068,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -12069,7 +12077,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
     SCOPE = 'entity'
@@ -12078,7 +12086,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -12087,7 +12095,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_add2.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -12096,8 +12104,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
     SCOPE = 'entity'
@@ -12106,9 +12114,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_add2.ifcconic', 'ifc4x3_add2.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
@@ -12118,8 +12126,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -12128,8 +12136,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -12139,8 +12147,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -12149,7 +12157,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_add2.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3_add2.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_add2.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -12158,8 +12166,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12168,8 +12176,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12178,8 +12186,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12188,8 +12196,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12198,8 +12206,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12208,8 +12216,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12218,8 +12226,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12228,8 +12236,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -12239,8 +12247,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -12250,8 +12258,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -12260,20 +12268,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12282,8 +12290,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12292,8 +12300,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12302,8 +12310,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12312,8 +12320,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -12322,7 +12330,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12331,8 +12339,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12341,12 +12349,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12356,8 +12364,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12366,8 +12374,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12376,8 +12384,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12386,8 +12394,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12396,8 +12404,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12406,8 +12414,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12416,8 +12424,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12426,8 +12434,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12436,8 +12444,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12449,7 +12457,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12459,7 +12467,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_add2.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3_add2.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12468,7 +12476,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add2.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_add2.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12477,7 +12485,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12486,7 +12494,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12495,8 +12503,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12506,8 +12514,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12516,8 +12524,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12526,8 +12534,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12536,8 +12544,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12546,8 +12554,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctransformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctransformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12556,8 +12564,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12566,8 +12574,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12576,8 +12584,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12586,11 +12594,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12600,7 +12608,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
     SCOPE = 'entity'
@@ -12609,7 +12617,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3_add2.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
@@ -12619,7 +12627,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12629,7 +12637,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12639,8 +12647,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12649,8 +12657,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12659,8 +12667,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12669,7 +12677,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12678,7 +12686,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12688,7 +12696,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_add2.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_add2.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12697,8 +12705,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12708,8 +12716,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12719,7 +12727,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12729,8 +12737,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12739,8 +12747,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12749,8 +12757,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12759,8 +12767,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12769,8 +12777,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12779,8 +12787,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12789,8 +12797,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12799,8 +12807,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12809,8 +12817,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12819,12 +12827,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVehicle_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12833,8 +12841,8 @@ class IfcVehicle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVehicle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12843,8 +12851,8 @@ class IfcVehicle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvehicletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvehicletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVehicleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12853,8 +12861,8 @@ class IfcVehicleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12863,8 +12871,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12873,8 +12881,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12883,8 +12891,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12893,8 +12901,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12903,8 +12911,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12913,8 +12921,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVirtualElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12923,8 +12931,8 @@ class IfcVirtualElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12933,8 +12941,8 @@ class IfcVoidingFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12943,8 +12951,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12953,8 +12961,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -12963,7 +12971,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_add2.ifcrelassociates.relatedobjects') if 'ifc4x3_add2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_add2.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_add2.ifcrelassociates.relatedobjects') if 'ifc4x3_add2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_add2.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12972,8 +12980,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12982,8 +12990,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12992,8 +13000,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13002,8 +13010,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13012,8 +13020,8 @@ class IfcWindow_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -13022,8 +13030,8 @@ class IfcWindow_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_add2.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -13032,8 +13040,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -13043,8 +13051,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -13054,8 +13062,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -13065,7 +13073,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -13074,7 +13082,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_add2.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13083,8 +13091,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13093,8 +13101,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13103,8 +13111,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13113,8 +13121,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -13123,8 +13131,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -13134,19 +13142,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_add2.ifczone' in typeof(temp) or 'ifc4x3_add2.ifcspace' in typeof(temp) or 'ifc4x3_add2.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_add2.ifczone' in typeof(temp) or 'ifc4x3_add2.ifcspace' in typeof(temp) or 'ifc4x3_add2.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -13156,11 +13164,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -13174,13 +13182,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -13198,7 +13206,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -13235,11 +13243,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13419,7 +13427,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3_add2.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3_add2.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13432,26 +13440,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add2.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add2.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add2.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_add2.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3_add2.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3_add2.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3_add2.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_add2.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_add2.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13460,21 +13468,21 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3_add2.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3_add2.ifcgradientcurve' in typeof(curve):
         return 3
     if 'ifc4x3_add2.ifcsegmentedreferencecurve' in typeof(curve):
         return 3
     if 'ifc4x3_add2.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3_add2.ifcoffsetcurve3d' in typeof(curve):
@@ -13484,21 +13492,21 @@ def IfcCurveDim(curve):
     if 'ifc4x3_add2.ifccurvesegment2d' in typeof(curve):
         return 2
     if 'ifc4x3_add2.ifcpolynomialcurve' in typeof(curve):
-        if not exists(getattr(curve, 'CoefficientsZ', INDETERMINATE)) and getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
+        if not exists(express_getattr(curve, 'CoefficientsZ', INDETERMINATE)) and express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
             return 2
         return 3
     if 'ifc4x3_add2.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3_add2.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifcspiral' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13506,13 +13514,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSIUnit(n):
@@ -13582,15 +13590,15 @@ def IfcDimensionsForSIUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13599,42 +13607,42 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3_add2.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3_add2.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3_add2.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        if 'ifc4x3_add2.ifccurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
-        if 'ifc4x3_add2.ifccompositecurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        if 'ifc4x3_add2.ifccurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+            surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        if 'ifc4x3_add2.ifccompositecurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+            surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                if 'ifc4x3_add2.ifccurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                    surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
-                if 'ifc4x3_add2.ifccompositecurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                    surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                if 'ifc4x3_add2.ifccurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+                    surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                if 'ifc4x3_add2.ifccompositecurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+                    surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcListToArray(lis, low, u):
@@ -13651,9 +13659,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13671,10 +13679,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13685,25 +13693,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3_add2.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3_add2.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13715,29 +13723,29 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointDim(point):
     if 'ifc4x3_add2.ifccartesianpoint' in typeof(point):
-        return hiindex(getattr(point, 'Coordinates', INDETERMINATE))
+        return hiindex(express_getattr(point, 'Coordinates', INDETERMINATE))
     if 'ifc4x3_add2.ifcpointbydistanceexpression' in typeof(point):
-        return getattr(getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifcpointoncurve' in typeof(point):
-        return getattr(getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifcpointonsurface' in typeof(point):
-        return getattr(getattr(point, 'BasisSurface', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisSurface', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcPointListDim(pointlist):
@@ -13748,32 +13756,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap2, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap2, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13794,15 +13802,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3_add2.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13818,82 +13826,82 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcSegmentDim(segment):
     if 'ifc4x3_add2.ifccurvesegment' in typeof(segment):
-        return getattr(getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_add2.ifccompositecurvesegment' in typeof(segment):
-        return getattr(getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcpoint' in typeof(temp) or 'ifc4x3_add2.ifccartesianpointlist' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsegment' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsectionedsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3_add2.ifcpoint', 'ifc4x3_add2.ifccurve', 'ifc4x3_add2.ifcgeometriccurveset', 'ifc4x3_add2.ifcannotationfillarea', 'ifc4x3_add2.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcgeometricset' in typeof(temp) or 'ifc4x3_add2.ifcpoint' in typeof(temp) or 'ifc4x3_add2.ifccurve' in typeof(temp) or ('ifc4x3_add2.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3_add2.ifcgeometricset' in typeof(temp) or 'ifc4x3_add2.ifcpoint' in typeof(temp) or ('ifc4x3_add2.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3_add2.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_add2.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_add2.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add2.ifctessellateditem', 'ifc4x3_add2.ifcshellbasedsurfacemodel', 'ifc4x3_add2.ifcfacebasedsurfacemodel', 'ifc4x3_add2.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add2.ifctessellateditem', 'ifc4x3_add2.ifcshellbasedsurfacemodel', 'ifc4x3_add2.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add2.ifcextrudedareasolid', 'ifc4x3_add2.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3_add2.ifcextrudedareasolidtapered', 'ifc4x3_add2.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add2.ifcsweptareasolid', 'ifc4x3_add2.ifcsweptdisksolid', 'ifc4x3_add2.ifcsectionedsolidhorizontal'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add2.ifcbooleanresult', 'ifc4x3_add2.ifccsgprimitive3d', 'ifc4x3_add2.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_add2.ifccsgsolid', 'ifc4x3_add2.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13901,9 +13909,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13913,28 +13921,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3_add2.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3_add2.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3_add2.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3_add2.ifcopenshell' in typeof(temp) or 'ifc4x3_add2.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -13945,7 +13953,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3_add2.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3_add2.ifcpropertysetdefinitionset' in typeof(definition):
@@ -13958,7 +13966,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -13966,7 +13974,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3_add2.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -13974,41 +13982,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_add2.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_add2.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -14016,31 +14024,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_add2.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_add2.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC1.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC1.py
index 364f475658..a0264691a5 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC1.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC1.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,4976 +147,4977 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-assumedpoint = getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
-asbuiltarea = getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
-asbuiltline = getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
-non_physical_signal = getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
-assumedline = getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
-widthevent = getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-assumedarea = getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
-superelevationevent = getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-asbuiltpoint = getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assumedpoint = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
+asbuiltarea = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
+asbuiltline = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
+non_physical_signal = express_getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
+assumedline = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
+widthevent = express_getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+assumedarea = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
+superelevationevent = express_getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+asbuiltpoint = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-railway_communication_terminal = getattr(IfcAudioVisualApplianceTypeEnum, 'RAILWAY_COMMUNICATION_TERMINAL', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+railway_communication_terminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RAILWAY_COMMUNICATION_TERMINAL', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeDisplacementEnum = enum_namespace()
-fixed_movement = getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
-guided_longitudinal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
-guided_transversal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
-free_movement = getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
+fixed_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
+guided_longitudinal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
+guided_transversal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
+free_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-reinforcing = getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-prestressing = getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-erosionprevention = getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+reinforcing = express_getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+prestressing = express_getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-mooringsystem = getattr(IfcBuiltSystemTypeEnum, 'MOORINGSYSTEM', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+mooringsystem = express_getattr(IfcBuiltSystemTypeEnum, 'MOORINGSYSTEM', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-intelligent_peripheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENT_PERIPHERAL', INDETERMINATE)
-ip_network_equipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IP_NETWORK_EQUIPMENT', INDETERMINATE)
-optical_network_unit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICAL_NETWORK_UNIT', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+intelligent_peripheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENT_PERIPHERAL', INDETERMINATE)
+ip_network_equipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IP_NETWORK_EQUIPMENT', INDETERMINATE)
+optical_network_unit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICAL_NETWORK_UNIT', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-embankment = getattr(IfcMarineFacilityTypeEnum, 'EMBANKMENT', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+embankment = express_getattr(IfcMarineFacilityTypeEnum, 'EMBANKMENT', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-storage = getattr(IfcMarinePartTypeEnum, 'STORAGE', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+storage = express_getattr(IfcMarinePartTypeEnum, 'STORAGE', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-remote_radio_unit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTE_RADIO_UNIT', INDETERMINATE)
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+remote_radio_unit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTE_RADIO_UNIT', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNullStyle = enum_namespace()
-null = getattr(IfcNullStyle, 'NULL', INDETERMINATE)
+null = express_getattr(IfcNullStyle, 'NULL', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-trackstructure = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
-trackstructurepart = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
-linesidestructurepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
-dilatationsuperstructure = getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
-plaintracksupestructure = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
-linesidestructure = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-turnoutsuperstructure = getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackstructure = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
+trackstructurepart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
+linesidestructurepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
+dilatationsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
+plaintracksupestructure = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
+linesidestructure = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+turnoutsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransitionCurveType = enum_namespace()
-biquadraticparabola = getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
-blosscurve = getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
-clothoidcurve = getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
-cubicparabola = getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
-sinecurve = getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
+biquadraticparabola = express_getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
+blosscurve = express_getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
+clothoidcurve = express_getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
+cubicparabola = express_getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
+sinecurve = express_getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
 IfcTransportElementFixedTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-craneway = getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-userdefined = getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransportElementNonFixedTypeEnum = enum_namespace()
-vehicle = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicletracked = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-rollingstock = getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehiclewheeled = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-vehicleair = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-cargo = getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
-vehiclemarine = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-userdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+vehicle = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicletracked = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+rollingstock = express_getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+vehicleair = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+cargo = express_getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
+vehiclemarine = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3_RC1')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignment2DCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DCant', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DCant', *args, **kwargs)
 
 def IfcAlignment2DCantSegLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DCantSegLine', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DCantSegLine', *args, **kwargs)
 
 def IfcAlignment2DCantSegTransition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DCantSegTransition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DCantSegTransition', *args, **kwargs)
 
 def IfcAlignment2DCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DCantSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DCantSegment', *args, **kwargs)
 
 def IfcAlignment2DHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DHorizontal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DHorizontal', *args, **kwargs)
 
 def IfcAlignment2DHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DHorizontalSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DHorizontalSegment', *args, **kwargs)
 
 def IfcAlignment2DSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DSegment', *args, **kwargs)
 
 def IfcAlignment2DVerSegCircularArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegCircularArc', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegCircularArc', *args, **kwargs)
 
 def IfcAlignment2DVerSegLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegLine', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegLine', *args, **kwargs)
 
 def IfcAlignment2DVerSegParabolicArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegParabolicArc', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegParabolicArc', *args, **kwargs)
 
 def IfcAlignment2DVerSegTransition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegTransition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegTransition', *args, **kwargs)
 
 def IfcAlignment2DVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVertical', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVertical', *args, **kwargs)
 
 def IfcAlignment2DVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerticalSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerticalSegment', *args, **kwargs)
 
 def IfcAlignmentCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCurve', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxisLateralInclination(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxisLateralInclination', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxisLateralInclination', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamStandardCase', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBridgePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridgePart', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBridgePart', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCircularArcSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircularArcSegment2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircularArcSegment2D', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnStandardCase', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment2D', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDistanceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDistanceSweptAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDistanceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistanceExpression', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistanceExpression', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStandardCase', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcInclinedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInclinedReferenceSweptAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcInclinedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLineSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLineSegment2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLineSegment2D', *args, **kwargs)
 
 def IfcLinearAxisWithInclination(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearAxisWithInclination', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearAxisWithInclination', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPlacementWithInclination(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacementWithInclination', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacementWithInclination', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLinearSpanPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearSpanPlacement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearSpanPlacement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberStandardCase', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpeningStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningStandardCase', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientationExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientationExpression', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientationExpression', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlant', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlant', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateStandardCase', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcPresentationStyleAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyleAssignment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyleAssignment', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabElementedCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabElementedCase', *args, **kwargs)
 
 def IfcSlabStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabStandardCase', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSolidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidStratum', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidStratum', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransitionCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransitionCurveSegment2D', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransitionCurveSegment2D', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidStratum', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidStratum', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallElementedCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallElementedCase', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWaterStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWaterStratum', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWaterStratum', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStandardCase', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStandardCase', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3_RC1', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5118,7 +5126,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5199,7 +5207,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5208,7 +5216,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5217,7 +5225,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5316,7 +5324,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5325,7 +5333,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5334,7 +5342,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5343,8 +5351,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5353,8 +5361,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5363,8 +5371,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5373,8 +5381,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5383,8 +5391,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5393,7 +5401,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc1.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc1.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5402,8 +5410,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5412,7 +5420,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc1.ifcelementarysurface', 'ifc4x3_rc1.ifcsweptsurface', 'ifc4x3_rc1.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc1.ifcelementarysurface', 'ifc4x3_rc1.ifcsweptsurface', 'ifc4x3_rc1.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5421,7 +5429,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc1.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc1.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5430,7 +5438,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc1.ifcline', 'ifc4x3_rc1.ifcconic', 'ifc4x3_rc1.ifcpolyline', 'ifc4x3_rc1.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc1.ifcline', 'ifc4x3_rc1.ifcconic', 'ifc4x3_rc1.ifcpolyline', 'ifc4x3_rc1.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5439,8 +5447,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5449,8 +5457,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5459,8 +5467,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5469,8 +5477,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5479,8 +5487,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5489,8 +5497,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5499,8 +5507,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5509,8 +5517,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5519,8 +5527,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5529,8 +5537,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5539,8 +5547,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5549,8 +5557,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5559,8 +5567,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5570,8 +5578,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5580,7 +5588,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5590,7 +5598,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5600,7 +5608,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc1.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3_rc1.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5609,8 +5617,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5619,7 +5627,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5628,8 +5636,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5638,7 +5646,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3_rc1.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5648,9 +5656,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5660,9 +5668,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5672,9 +5680,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5684,9 +5692,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5696,8 +5704,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5706,8 +5714,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5716,8 +5724,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5726,8 +5734,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5736,10 +5744,10 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_RefDirIs2D:
@@ -5749,8 +5757,8 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIs2D:
     SCOPE = 'entity'
@@ -5759,10 +5767,10 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_LocationIs3D:
@@ -5772,7 +5780,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
     SCOPE = 'entity'
@@ -5781,8 +5789,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5791,8 +5799,8 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5801,9 +5809,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
     SCOPE = 'entity'
@@ -5812,13 +5820,13 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcBSplineCurve_SameDim:
@@ -5828,16 +5836,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5847,11 +5855,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5861,26 +5869,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5890,10 +5898,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5902,10 +5910,10 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
     SCOPE = 'entity'
@@ -5914,8 +5922,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -5925,16 +5933,16 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -5944,8 +5952,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5954,8 +5962,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -5964,7 +5972,7 @@ class IfcBeamStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5973,8 +5981,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5983,8 +5991,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5993,8 +6001,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6003,8 +6011,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
     SCOPE = 'entity'
@@ -6013,7 +6021,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6022,7 +6030,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBoiler_CorrectPredefinedType:
@@ -6032,8 +6040,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6042,8 +6050,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6052,8 +6060,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6062,7 +6070,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3_rc1.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3_rc1.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3_rc1.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6072,7 +6080,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3_rc1.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6082,7 +6090,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_SameDim:
@@ -6092,9 +6100,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
     SCOPE = 'entity'
@@ -6103,8 +6111,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6113,12 +6121,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6127,7 +6135,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6139,7 +6147,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3_rc1.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3_rc1.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6148,8 +6156,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6158,8 +6166,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6168,8 +6176,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6178,7 +6186,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6187,8 +6195,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6197,8 +6205,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6207,8 +6215,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6217,7 +6225,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6226,8 +6234,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6236,8 +6244,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6246,8 +6254,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6256,8 +6264,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6266,8 +6274,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6277,10 +6285,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6290,9 +6298,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6302,8 +6310,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6312,8 +6320,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6322,8 +6330,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6332,8 +6340,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6342,8 +6350,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6352,8 +6360,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6362,8 +6370,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6372,8 +6380,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6382,8 +6390,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6392,8 +6400,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6402,8 +6410,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6412,8 +6420,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6422,8 +6430,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6432,8 +6440,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6442,8 +6450,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6452,11 +6460,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6469,16 +6477,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6487,7 +6495,7 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6496,7 +6504,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6505,10 +6513,10 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6517,12 +6525,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6531,7 +6539,7 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6540,7 +6548,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6549,7 +6557,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6558,12 +6566,12 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6572,7 +6580,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6582,16 +6590,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6600,8 +6608,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6610,8 +6618,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6620,8 +6628,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6630,8 +6638,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6640,8 +6648,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6650,8 +6658,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6660,8 +6668,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6670,8 +6678,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6680,8 +6688,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6690,8 +6698,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6700,8 +6708,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6710,8 +6718,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6720,7 +6728,7 @@ class IfcColumnStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6729,8 +6737,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6739,8 +6747,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6749,8 +6757,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6759,8 +6767,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6769,7 +6777,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6779,7 +6787,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6789,7 +6797,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6799,7 +6807,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6809,9 +6817,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6820,17 +6828,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6839,7 +6847,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6852,12 +6860,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3_rc1.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6866,8 +6874,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6876,7 +6884,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3_rc1.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6886,8 +6894,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6896,8 +6904,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6906,8 +6914,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6916,8 +6924,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6926,8 +6934,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6936,8 +6944,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -6946,8 +6954,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6956,8 +6964,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6966,8 +6974,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6976,8 +6984,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6986,8 +6994,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6996,8 +7004,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7006,8 +7014,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7016,8 +7024,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7026,8 +7034,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7036,8 +7044,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7046,8 +7054,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7056,8 +7064,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7066,8 +7074,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7076,8 +7084,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7086,8 +7094,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7096,8 +7104,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7106,8 +7114,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7116,8 +7124,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7126,8 +7134,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7136,8 +7144,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7146,8 +7154,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7156,8 +7164,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7166,8 +7174,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7176,8 +7184,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7186,8 +7194,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7196,8 +7204,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7206,8 +7214,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7219,8 +7227,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7229,8 +7237,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7239,8 +7247,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -7252,7 +7260,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3_rc1.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3_rc1.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyle_IdentifiableCurveStyle:
@@ -7262,9 +7270,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7274,7 +7282,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7284,8 +7292,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7294,8 +7302,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7304,8 +7312,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7314,8 +7322,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7324,8 +7332,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7334,8 +7342,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7344,11 +7352,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7358,11 +7366,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7372,9 +7380,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc1.ifcconic', 'ifc4x3_rc1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7384,8 +7392,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7394,8 +7402,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7404,8 +7412,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7414,8 +7422,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7424,8 +7432,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7434,8 +7442,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7444,8 +7452,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7454,8 +7462,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7464,8 +7472,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7474,8 +7482,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectStyleAssigned:
@@ -7485,8 +7493,8 @@ class IfcDoor_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7495,8 +7503,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7506,8 +7514,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7517,8 +7525,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7528,8 +7536,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7539,7 +7547,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7548,7 +7556,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7557,8 +7565,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7567,7 +7575,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7576,7 +7584,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7585,8 +7593,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7595,8 +7603,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7605,8 +7613,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7615,8 +7623,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7625,8 +7633,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7635,8 +7643,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7645,8 +7653,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7655,8 +7663,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7665,8 +7673,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7675,8 +7683,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7685,8 +7693,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7695,9 +7703,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7709,7 +7717,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7719,8 +7727,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7729,8 +7737,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7739,8 +7747,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7749,8 +7757,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7759,8 +7767,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7769,8 +7777,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7779,8 +7787,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7789,8 +7797,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7799,8 +7807,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7809,8 +7817,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7819,8 +7827,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7829,8 +7837,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7839,8 +7847,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7849,8 +7857,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7859,8 +7867,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7869,8 +7877,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7879,8 +7887,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7889,8 +7897,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7899,8 +7907,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7909,8 +7917,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7919,8 +7927,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7929,8 +7937,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7939,8 +7947,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7949,8 +7957,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -7959,7 +7967,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -7969,8 +7977,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7979,8 +7987,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7989,8 +7997,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7999,8 +8007,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8009,8 +8017,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8019,8 +8027,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8029,8 +8037,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8039,8 +8047,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8049,8 +8057,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8059,8 +8067,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8069,9 +8077,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8080,8 +8088,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8090,9 +8098,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8101,9 +8109,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8113,7 +8121,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8122,7 +8130,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8131,7 +8139,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3_rc1.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8144,8 +8152,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8154,8 +8162,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8164,8 +8172,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8174,8 +8182,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8184,8 +8192,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8194,8 +8202,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
     SCOPE = 'entity'
@@ -8204,7 +8212,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8213,7 +8221,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8222,7 +8230,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc1.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc1.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8231,7 +8239,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8240,7 +8248,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8249,8 +8257,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8259,8 +8267,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8269,8 +8277,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8279,8 +8287,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8289,8 +8297,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8299,8 +8307,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8309,8 +8317,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8319,8 +8327,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8329,8 +8337,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8339,8 +8347,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8349,8 +8357,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8359,8 +8367,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8369,8 +8377,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8379,8 +8387,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8389,8 +8397,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8399,8 +8407,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8409,8 +8417,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8419,8 +8427,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8429,8 +8437,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8439,8 +8447,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8449,8 +8457,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8459,8 +8467,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8469,8 +8477,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8479,7 +8487,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc1.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc1.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8488,8 +8496,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8498,7 +8506,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8508,9 +8516,9 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8519,23 +8527,23 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8544,12 +8552,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -8558,8 +8566,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8568,9 +8576,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8583,8 +8591,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8593,8 +8601,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8603,8 +8611,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8613,8 +8621,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8623,8 +8631,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8633,8 +8641,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -8643,8 +8651,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8654,8 +8662,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
@@ -8665,11 +8673,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8679,8 +8687,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8689,8 +8697,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8699,8 +8707,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8709,7 +8717,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8719,8 +8727,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8729,8 +8737,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8739,8 +8747,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8749,7 +8757,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8758,7 +8766,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8767,8 +8775,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8777,8 +8785,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8787,8 +8795,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8797,9 +8805,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8809,8 +8817,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8819,8 +8827,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8829,8 +8837,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8839,8 +8847,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8849,8 +8857,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8859,8 +8867,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8869,8 +8877,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8879,8 +8887,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -8889,9 +8897,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8900,8 +8908,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8910,8 +8918,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8920,8 +8928,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -8930,8 +8938,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
@@ -8941,8 +8949,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -8951,7 +8959,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc1.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -8961,7 +8969,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -8974,7 +8982,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -8984,8 +8992,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8994,8 +9002,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9004,8 +9012,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9014,8 +9022,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9024,8 +9032,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9034,8 +9042,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9044,8 +9052,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9054,8 +9062,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -9064,7 +9072,7 @@ class IfcMemberStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9073,8 +9081,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9086,8 +9094,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9096,8 +9104,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9106,8 +9114,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9116,8 +9124,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9126,8 +9134,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9136,8 +9144,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9146,8 +9154,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9156,8 +9164,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9166,8 +9174,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9176,7 +9184,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9185,8 +9193,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9195,8 +9203,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9205,8 +9213,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9215,7 +9223,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9225,8 +9233,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9235,8 +9243,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9245,8 +9253,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9255,8 +9263,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9265,7 +9273,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9274,8 +9282,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9285,8 +9293,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
@@ -9296,18 +9304,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9316,8 +9324,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9326,8 +9334,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9336,8 +9344,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9346,9 +9354,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9366,8 +9374,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9376,9 +9384,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9388,9 +9396,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9400,7 +9408,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9410,7 +9418,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9420,8 +9428,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9430,8 +9438,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9440,8 +9448,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9450,8 +9458,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9460,8 +9468,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9470,8 +9478,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9480,8 +9488,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9490,8 +9498,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9500,8 +9508,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9510,7 +9518,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9520,7 +9528,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9530,7 +9538,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9540,9 +9548,9 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9552,12 +9560,12 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9566,8 +9574,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9576,8 +9584,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -9586,7 +9594,7 @@ class IfcPlateStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9595,16 +9603,16 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -9613,8 +9621,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9623,8 +9631,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9633,7 +9641,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3_rc1.ifcpolyline', 'ifc4x3_rc1.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9643,8 +9651,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPositioningElement_HasPlacement:
     SCOPE = 'entity'
@@ -9653,7 +9661,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9662,13 +9670,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9678,7 +9686,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc1.ifcshaperepresentation', 'ifc4x3_rc1.ifcgeometricrepresentationitem', 'ifc4x3_rc1.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9688,7 +9696,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc1.ifcgeometricrepresentationitem', 'ifc4x3_rc1.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_HasName:
@@ -9698,7 +9706,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9707,8 +9715,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9717,8 +9725,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9727,9 +9735,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9738,7 +9746,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc1.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
@@ -9748,7 +9756,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_CorrectContext:
     SCOPE = 'entity'
@@ -9757,7 +9765,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -9766,7 +9774,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -9775,8 +9783,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
     SCOPE = 'entity'
@@ -9785,8 +9793,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -9796,8 +9804,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
@@ -9807,8 +9815,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -9818,8 +9826,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -9829,9 +9837,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -9840,7 +9848,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -9849,7 +9857,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -9858,7 +9866,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -9867,7 +9875,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -9877,7 +9885,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -9886,7 +9894,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -9896,8 +9904,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -9907,8 +9915,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -9917,8 +9925,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9927,8 +9935,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9937,8 +9945,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9947,8 +9955,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9957,8 +9965,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9967,8 +9975,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9977,8 +9985,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -9987,7 +9995,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9996,8 +10004,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10006,8 +10014,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10016,8 +10024,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10026,7 +10034,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10035,7 +10043,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10045,7 +10053,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10055,7 +10063,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10064,7 +10072,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10074,7 +10082,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10083,7 +10091,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10093,7 +10101,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10102,7 +10110,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10112,7 +10120,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10121,7 +10129,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10131,8 +10139,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10141,8 +10149,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10151,8 +10159,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10161,8 +10169,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10171,8 +10179,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10181,8 +10189,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10191,8 +10199,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10201,8 +10209,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10211,8 +10219,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10221,8 +10229,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10231,8 +10239,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10241,8 +10249,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10251,8 +10259,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10264,8 +10272,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10274,8 +10282,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10287,9 +10295,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
@@ -10299,8 +10307,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
     SCOPE = 'entity'
@@ -10309,9 +10317,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10320,8 +10328,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10330,8 +10338,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10341,8 +10349,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10352,10 +10360,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3_rc1.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3_rc1.ifcplane' in typeof(basissurface)) or 'ifc4x3_rc1.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10365,9 +10373,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10377,8 +10385,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10387,8 +10395,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10397,8 +10405,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10407,8 +10415,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10417,8 +10425,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
@@ -10428,8 +10436,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10438,8 +10446,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10448,8 +10456,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10458,8 +10466,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcRelAggregates_NoSelfReference:
@@ -10469,8 +10477,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -10480,8 +10488,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10491,8 +10499,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10501,8 +10509,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10511,8 +10519,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10521,8 +10529,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10531,8 +10539,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10541,8 +10549,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10551,7 +10559,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10560,7 +10568,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc1.ifcelement', 'ifc4x3_rc1.ifcelementtype', 'ifc4x3_rc1.ifcwindowstyle', 'ifc4x3_rc1.ifcdoorstyle', 'ifc4x3_rc1.ifcstructuralmember', 'ifc4x3_rc1.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc1.ifcelement', 'ifc4x3_rc1.ifcelementtype', 'ifc4x3_rc1.ifcwindowstyle', 'ifc4x3_rc1.ifcdoorstyle', 'ifc4x3_rc1.ifcstructuralmember', 'ifc4x3_rc1.ifcport']) == 0]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10569,8 +10577,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10580,7 +10588,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10590,7 +10598,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10600,8 +10608,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10611,7 +10619,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc1.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10621,8 +10629,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10632,7 +10640,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc1.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc1.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10641,8 +10649,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10652,8 +10660,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10663,8 +10671,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10674,7 +10682,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc1.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3_rc1.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10684,8 +10692,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10695,9 +10703,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10706,9 +10714,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10717,7 +10725,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10727,7 +10735,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3_rc1.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
@@ -10737,8 +10745,8 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
     SCOPE = 'entity'
@@ -10747,12 +10755,12 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -10761,7 +10769,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10770,8 +10778,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10780,8 +10788,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10790,8 +10798,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -10800,11 +10808,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10813,8 +10821,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10823,8 +10831,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10833,8 +10841,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -10843,7 +10851,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -10852,7 +10860,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -10861,8 +10869,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -10871,8 +10879,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -10881,7 +10889,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -10891,8 +10899,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -10902,8 +10910,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -10912,8 +10920,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
@@ -10923,8 +10931,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
     SCOPE = 'entity'
@@ -10933,8 +10941,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -10946,8 +10954,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10956,8 +10964,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10966,8 +10974,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10976,8 +10984,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10986,8 +10994,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10996,8 +11004,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11006,8 +11014,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11016,7 +11024,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc1.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc1.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11025,7 +11033,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3_rc1.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3_rc1.ifcvertexpoint', 'ifc4x3_rc1.ifcedgecurve', 'ifc4x3_rc1.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
@@ -11035,7 +11043,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11044,7 +11052,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11053,7 +11061,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -11065,8 +11073,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11075,8 +11083,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11085,8 +11093,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11095,8 +11103,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11105,8 +11113,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11115,8 +11123,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11125,8 +11133,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11135,8 +11143,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -11145,7 +11153,7 @@ class IfcSlabElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcSlabStandardCase_HasMaterialLayerSetusage:
     SCOPE = 'entity'
@@ -11154,7 +11162,7 @@ class IfcSlabStandardCase_HasMaterialLayerSetusage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11163,8 +11171,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11173,8 +11181,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11183,8 +11191,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11193,8 +11201,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11206,8 +11214,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11216,8 +11224,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11226,8 +11234,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11236,8 +11244,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11246,8 +11254,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11256,8 +11264,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11266,7 +11274,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc1.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc1.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc1.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc1.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11275,8 +11283,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11285,8 +11293,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11295,8 +11303,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11305,8 +11313,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11315,8 +11323,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11325,8 +11333,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11335,8 +11343,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11345,8 +11353,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11355,8 +11363,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11365,8 +11373,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11375,8 +11383,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11385,8 +11393,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -11395,8 +11403,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11405,8 +11413,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11415,8 +11423,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11425,8 +11433,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11435,8 +11443,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11445,8 +11453,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11455,8 +11463,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11465,7 +11473,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadlinearforce', 'ifc4x3_rc1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadlinearforce', 'ifc4x3_rc1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11474,7 +11482,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11483,7 +11491,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11492,8 +11500,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11503,10 +11511,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11515,7 +11523,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadplanarforce', 'ifc4x3_rc1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadplanarforce', 'ifc4x3_rc1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11524,7 +11532,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11533,7 +11541,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadsingleforce', 'ifc4x3_rc1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadsingleforce', 'ifc4x3_rc1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11542,7 +11550,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadsingleforce', 'ifc4x3_rc1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc1.ifcstructuralloadsingleforce', 'ifc4x3_rc1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11551,8 +11559,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11561,8 +11569,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11571,8 +11579,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11581,8 +11589,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11591,8 +11599,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11601,7 +11609,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11611,7 +11619,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc1.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc1.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11620,8 +11628,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11630,8 +11638,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11643,8 +11651,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11653,7 +11661,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -11666,8 +11674,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -11676,17 +11684,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
     SCOPE = 'entity'
@@ -11695,9 +11703,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
@@ -11707,7 +11715,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -11717,7 +11725,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -11727,7 +11735,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
@@ -11737,7 +11745,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -11746,7 +11754,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -11755,7 +11763,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -11764,7 +11772,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
     SCOPE = 'entity'
@@ -11773,7 +11781,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -11782,8 +11790,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
     SCOPE = 'entity'
@@ -11792,8 +11800,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -11802,8 +11810,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
@@ -11813,9 +11821,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc1.ifcconic', 'ifc4x3_rc1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -11825,8 +11833,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -11835,7 +11843,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc1.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc1.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3_rc1.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc1.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -11844,8 +11852,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11854,8 +11862,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11864,8 +11872,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11874,8 +11882,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11884,8 +11892,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11894,8 +11902,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11904,8 +11912,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -11914,8 +11922,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -11925,8 +11933,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -11936,8 +11944,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -11946,20 +11954,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11968,8 +11976,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11978,8 +11986,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11988,8 +11996,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -11998,7 +12006,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12007,8 +12015,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12017,8 +12025,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12027,12 +12035,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12042,8 +12050,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12052,8 +12060,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12062,8 +12070,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12072,8 +12080,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12082,8 +12090,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12092,8 +12100,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12102,8 +12110,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12112,8 +12120,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12122,8 +12130,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12135,7 +12143,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12145,7 +12153,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc1.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3_rc1.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12154,7 +12162,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12163,7 +12171,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12172,7 +12180,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12181,8 +12189,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12192,8 +12200,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12202,8 +12210,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12212,8 +12220,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12222,8 +12230,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12232,8 +12240,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctranformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctranformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12242,8 +12250,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12252,8 +12260,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12262,8 +12270,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12272,11 +12280,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or ((predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or ((predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12286,7 +12294,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
     SCOPE = 'entity'
@@ -12295,7 +12303,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12305,7 +12313,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
@@ -12315,7 +12323,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc1.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12325,8 +12333,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12335,8 +12343,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12345,8 +12353,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12355,7 +12363,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12364,7 +12372,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12374,7 +12382,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc1.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc1.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12383,8 +12391,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12394,8 +12402,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12405,7 +12413,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12415,8 +12423,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12425,8 +12433,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12435,8 +12443,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12445,8 +12453,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12455,8 +12463,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12465,8 +12473,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12475,8 +12483,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12485,8 +12493,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12495,8 +12503,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12505,12 +12513,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12519,8 +12527,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12529,8 +12537,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12539,8 +12547,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12549,8 +12557,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12559,8 +12567,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12569,8 +12577,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -12579,8 +12587,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12589,8 +12597,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12599,8 +12607,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -12609,7 +12617,7 @@ class IfcWallElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -12618,7 +12626,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc1.ifcrelassociates.relatedobjects') if 'ifc4x3_rc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12627,8 +12635,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12637,8 +12645,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12647,8 +12655,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12657,8 +12665,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectStyleAssigned:
     SCOPE = 'entity'
@@ -12667,8 +12675,8 @@ class IfcWindow_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc1.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -12677,8 +12685,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -12688,8 +12696,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -12699,8 +12707,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -12710,7 +12718,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -12719,7 +12727,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc1.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12728,8 +12736,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12738,8 +12746,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12748,8 +12756,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12758,8 +12766,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12768,8 +12776,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -12779,19 +12787,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc1.ifczone' in typeof(temp) or 'ifc4x3_rc1.ifcspace' in typeof(temp) or 'ifc4x3_rc1.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc1.ifczone' in typeof(temp) or 'ifc4x3_rc1.ifcspace' in typeof(temp) or 'ifc4x3_rc1.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -12801,11 +12809,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -12819,13 +12827,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -12843,7 +12851,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -12880,11 +12888,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13064,7 +13072,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3_rc1.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3_rc1.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13075,27 +13083,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc1.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc1.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc1.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc1.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc1.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc1.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc1.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -13107,26 +13115,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc1.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc1.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc1.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc1.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc1.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3_rc1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3_rc1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13135,17 +13143,17 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3_rc1.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc1.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc1.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc1.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3_rc1.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc1.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc1.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3_rc1.ifcoffsetcurve3d' in typeof(curve):
@@ -13159,13 +13167,13 @@ def IfcCurveDim(curve):
     if 'ifc4x3_rc1.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc1.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13173,13 +13181,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -13249,15 +13257,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13266,36 +13274,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3_rc1.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3_rc1.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3_rc1.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcListToArray(lis, low, u):
@@ -13312,9 +13320,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13332,10 +13340,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13346,25 +13354,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3_rc1.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3_rc1.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13376,18 +13384,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -13398,32 +13406,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13444,15 +13452,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3_rc1.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13468,71 +13476,71 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3_rc1.ifcpoint', 'ifc4x3_rc1.ifccurve', 'ifc4x3_rc1.ifcgeometriccurveset', 'ifc4x3_rc1.ifcannotationfillarea', 'ifc4x3_rc1.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc1.ifcpoint' in typeof(temp) or 'ifc4x3_rc1.ifccurve' in typeof(temp) or ('ifc4x3_rc1.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3_rc1.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc1.ifcpoint' in typeof(temp) or ('ifc4x3_rc1.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3_rc1.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc1.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc1.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc1.ifctessellateditem', 'ifc4x3_rc1.ifcshellbasedsurfacemodel', 'ifc4x3_rc1.ifcfacebasedsurfacemodel', 'ifc4x3_rc1.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc1.ifctessellateditem', 'ifc4x3_rc1.ifcshellbasedsurfacemodel', 'ifc4x3_rc1.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc1.ifcextrudedareasolid', 'ifc4x3_rc1.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3_rc1.ifcextrudedareasolidtapered', 'ifc4x3_rc1.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc1.ifcsweptareasolid', 'ifc4x3_rc1.ifcsweptdisksolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc1.ifcbooleanresult', 'ifc4x3_rc1.ifccsgprimitive3d', 'ifc4x3_rc1.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc1.ifccsgsolid', 'ifc4x3_rc1.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13540,9 +13548,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13552,28 +13560,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3_rc1.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3_rc1.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3_rc1.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3_rc1.ifcopenshell' in typeof(temp) or 'ifc4x3_rc1.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -13584,7 +13592,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3_rc1.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3_rc1.ifcpropertysetdefinitionset' in typeof(definition):
@@ -13597,7 +13605,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -13605,7 +13613,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3_rc1.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -13613,41 +13621,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13655,31 +13663,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC2.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC2.py
index 58f822f610..f0e066c242 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC2.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC2.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,5017 +147,5018 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentCantSegmentTypeEnum = enum_namespace()
-constantcant = getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
-lineartransition = getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
-biquadraticparabola = getattr(IfcAlignmentCantSegmentTypeEnum, 'BIQUADRATICPARABOLA', INDETERMINATE)
-blosscurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+constantcant = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
+lineartransition = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
+biquadraticparabola = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BIQUADRATICPARABOLA', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentHorizontalSegmentTypeEnum = enum_namespace()
-line = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
-circulararc = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-cubicspiral = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBICSPIRAL', INDETERMINATE)
-biquadraticparabola = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BIQUADRATICPARABOLA', INDETERMINATE)
-blosscurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+line = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+cubicspiral = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBICSPIRAL', INDETERMINATE)
+biquadraticparabola = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BIQUADRATICPARABOLA', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentVerticalSegmentTypeEnum = enum_namespace()
-constantgradient = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
-circulararc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-parabolicarc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+constantgradient = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+parabolicarc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-assumedpoint = getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
-asbuiltarea = getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
-asbuiltline = getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
-non_physical_signal = getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
-assumedline = getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
-widthevent = getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-assumedarea = getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
-superelevationevent = getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-asbuiltpoint = getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assumedpoint = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
+asbuiltarea = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
+asbuiltline = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
+non_physical_signal = express_getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
+assumedline = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
+widthevent = express_getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+assumedarea = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
+superelevationevent = express_getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+asbuiltpoint = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-railway_communication_terminal = getattr(IfcAudioVisualApplianceTypeEnum, 'RAILWAY_COMMUNICATION_TERMINAL', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+railway_communication_terminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RAILWAY_COMMUNICATION_TERMINAL', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeDisplacementEnum = enum_namespace()
-fixed_movement = getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
-guided_longitudinal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
-guided_transversal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
-free_movement = getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
+fixed_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
+guided_longitudinal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
+guided_transversal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
+free_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-reinforcing = getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-prestressing = getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-erosionprevention = getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+reinforcing = express_getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+prestressing = express_getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-mooringsystem = getattr(IfcBuiltSystemTypeEnum, 'MOORINGSYSTEM', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+mooringsystem = express_getattr(IfcBuiltSystemTypeEnum, 'MOORINGSYSTEM', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-intelligent_peripheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENT_PERIPHERAL', INDETERMINATE)
-ip_network_equipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IP_NETWORK_EQUIPMENT', INDETERMINATE)
-optical_network_unit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICAL_NETWORK_UNIT', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+intelligent_peripheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENT_PERIPHERAL', INDETERMINATE)
+ip_network_equipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IP_NETWORK_EQUIPMENT', INDETERMINATE)
+optical_network_unit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICAL_NETWORK_UNIT', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-embankment = getattr(IfcMarineFacilityTypeEnum, 'EMBANKMENT', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+embankment = express_getattr(IfcMarineFacilityTypeEnum, 'EMBANKMENT', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-storage = getattr(IfcMarinePartTypeEnum, 'STORAGE', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+storage = express_getattr(IfcMarinePartTypeEnum, 'STORAGE', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-remote_radio_unit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTE_RADIO_UNIT', INDETERMINATE)
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+remote_radio_unit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTE_RADIO_UNIT', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNullStyle = enum_namespace()
-null = getattr(IfcNullStyle, 'NULL', INDETERMINATE)
+null = express_getattr(IfcNullStyle, 'NULL', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-trackstructure = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
-trackstructurepart = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
-linesidestructurepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
-dilatationsuperstructure = getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
-plaintracksupestructure = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
-linesidestructure = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-turnoutsuperstructure = getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackstructure = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
+trackstructurepart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
+linesidestructurepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
+dilatationsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
+plaintracksupestructure = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
+linesidestructure = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+turnoutsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransitionCurveType = enum_namespace()
-biquadraticparabola = getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
-blosscurve = getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
-clothoidcurve = getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
-cubicparabola = getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
-sinecurve = getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
+biquadraticparabola = express_getattr(IfcTransitionCurveType, 'BIQUADRATICPARABOLA', INDETERMINATE)
+blosscurve = express_getattr(IfcTransitionCurveType, 'BLOSSCURVE', INDETERMINATE)
+clothoidcurve = express_getattr(IfcTransitionCurveType, 'CLOTHOIDCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcTransitionCurveType, 'COSINECURVE', INDETERMINATE)
+cubicparabola = express_getattr(IfcTransitionCurveType, 'CUBICPARABOLA', INDETERMINATE)
+sinecurve = express_getattr(IfcTransitionCurveType, 'SINECURVE', INDETERMINATE)
 IfcTransportElementFixedTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-craneway = getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-userdefined = getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransportElementNonFixedTypeEnum = enum_namespace()
-vehicle = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicletracked = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-rollingstock = getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehiclewheeled = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-vehicleair = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-cargo = getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
-vehiclemarine = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-userdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+vehicle = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicletracked = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+rollingstock = express_getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+vehicleair = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+cargo = express_getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
+vehiclemarine = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3_RC2')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignment2DVerSegCircularArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegCircularArc', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegCircularArc', *args, **kwargs)
 
 def IfcAlignment2DVerSegLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegLine', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegLine', *args, **kwargs)
 
 def IfcAlignment2DVerSegParabolicArc(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment2DVerSegParabolicArc', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment2DVerSegParabolicArc', *args, **kwargs)
 
 def IfcAlignmentCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCant', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCant', *args, **kwargs)
 
 def IfcAlignmentCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCantSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCantSegment', *args, **kwargs)
 
 def IfcAlignmentCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCurve', *args, **kwargs)
 
 def IfcAlignmentHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontal', *args, **kwargs)
 
 def IfcAlignmentHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontalSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontalSegment', *args, **kwargs)
 
 def IfcAlignmentParameterSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentParameterSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentParameterSegment', *args, **kwargs)
 
 def IfcAlignmentSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentSegment', *args, **kwargs)
 
 def IfcAlignmentVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVertical', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVertical', *args, **kwargs)
 
 def IfcAlignmentVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVerticalSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVerticalSegment', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxis2PlacementLinear(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2PlacementLinear', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2PlacementLinear', *args, **kwargs)
 
 def IfcAxisLateralInclination(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxisLateralInclination', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcAxisLateralInclination', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamStandardCase', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBlossCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlossCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBlossCurve', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBridgePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridgePart', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBridgePart', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCircularArcSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircularArcSegment2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCircularArcSegment2D', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcClothoid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClothoid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcClothoid', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnStandardCase', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment', *args, **kwargs)
 
 def IfcCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment2D', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDistanceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDistanceSweptAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDistanceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStandardCase', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGradientCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGradientCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGradientCurve', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcInclinedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInclinedReferenceSweptAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcInclinedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLineSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLineSegment2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLineSegment2D', *args, **kwargs)
 
 def IfcLinearAxisWithInclination(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearAxisWithInclination', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearAxisWithInclination', *args, **kwargs)
 
 def IfcLinearElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearElement', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPlacementWithInclination(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacementWithInclination', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacementWithInclination', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLinearSpanPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearSpanPlacement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearSpanPlacement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberStandardCase', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpeningStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningStandardCase', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlant', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlant', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateStandardCase', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointByDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointByDistanceExpression', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointByDistanceExpression', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcPresentationStyleAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyleAssignment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyleAssignment', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSegment', *args, **kwargs)
 
 def IfcSegmentedReferenceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegmentedReferenceCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSegmentedReferenceCurve', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcSeriesParameterCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeriesParameterCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSeriesParameterCurve', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabElementedCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabElementedCase', *args, **kwargs)
 
 def IfcSlabStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabStandardCase', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSolidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidStratum', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidStratum', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransitionCurveSegment2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransitionCurveSegment2D', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransitionCurveSegment2D', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidStratum', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidStratum', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallElementedCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallElementedCase', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWaterStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWaterStratum', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWaterStratum', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStandardCase', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStandardCase', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3_RC2', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5159,7 +5167,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5240,7 +5248,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5249,7 +5257,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5258,7 +5266,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5357,7 +5365,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5366,7 +5374,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5375,7 +5383,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5384,8 +5392,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5394,8 +5402,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5404,8 +5412,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5414,8 +5422,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5424,8 +5432,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5434,7 +5442,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc2.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc2.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5443,8 +5451,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc2.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc2.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5453,7 +5461,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc2.ifcelementarysurface', 'ifc4x3_rc2.ifcsweptsurface', 'ifc4x3_rc2.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc2.ifcelementarysurface', 'ifc4x3_rc2.ifcsweptsurface', 'ifc4x3_rc2.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5462,7 +5470,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc2.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc2.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc2.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc2.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5471,7 +5479,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc2.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc2.ifcline', 'ifc4x3_rc2.ifcconic', 'ifc4x3_rc2.ifcpolyline', 'ifc4x3_rc2.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc2.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc2.ifcline', 'ifc4x3_rc2.ifcconic', 'ifc4x3_rc2.ifcpolyline', 'ifc4x3_rc2.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5480,8 +5488,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5490,8 +5498,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5500,8 +5508,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5510,8 +5518,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5520,8 +5528,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5530,8 +5538,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5540,8 +5548,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5550,8 +5558,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5560,8 +5568,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5570,8 +5578,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5580,8 +5588,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5590,8 +5598,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5600,8 +5608,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5611,8 +5619,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5621,7 +5629,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5631,7 +5639,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5641,7 +5649,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3_rc2.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5650,8 +5658,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5660,7 +5668,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5669,8 +5677,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5679,7 +5687,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3_rc2.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5689,9 +5697,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5701,9 +5709,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5713,9 +5721,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5725,9 +5733,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5737,8 +5745,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5747,8 +5755,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5757,8 +5765,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5767,8 +5775,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5777,7 +5785,7 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIsCP:
     SCOPE = 'entity'
@@ -5786,10 +5794,10 @@ class IfcAxis1Placement_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc2.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_RefDirIs2D:
@@ -5799,8 +5807,8 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIs2D:
     SCOPE = 'entity'
@@ -5809,7 +5817,7 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIsCP:
     SCOPE = 'entity'
@@ -5818,10 +5826,10 @@ class IfcAxis2Placement2D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc2.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_LocationIs3D:
@@ -5831,7 +5839,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
     SCOPE = 'entity'
@@ -5840,8 +5848,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5850,8 +5858,8 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5860,9 +5868,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
     SCOPE = 'entity'
@@ -5871,8 +5879,8 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 class IfcAxis2Placement3D_LocationIsCP:
@@ -5882,11 +5890,11 @@ class IfcAxis2Placement3D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc2.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcAxis2PlacementLinear_WR1:
@@ -5896,7 +5904,7 @@ class IfcAxis2PlacementLinear_WR1:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifcpointbydistanceexpression' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc2.ifcpointbydistanceexpression' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2PlacementLinear_WR2:
     SCOPE = 'entity'
@@ -5905,9 +5913,9 @@ class IfcAxis2PlacementLinear_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcBSplineCurve_SameDim:
     SCOPE = 'entity'
@@ -5916,16 +5924,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5935,11 +5943,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5949,26 +5957,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5978,10 +5986,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5990,10 +5998,10 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
     SCOPE = 'entity'
@@ -6002,8 +6010,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -6013,16 +6021,16 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -6032,8 +6040,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6042,8 +6050,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6052,7 +6060,7 @@ class IfcBeamStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6061,8 +6069,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6071,8 +6079,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6081,8 +6089,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6091,8 +6099,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
     SCOPE = 'entity'
@@ -6101,7 +6109,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6110,7 +6118,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBoiler_CorrectPredefinedType:
@@ -6120,8 +6128,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6130,8 +6138,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6140,8 +6148,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6150,7 +6158,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3_rc2.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3_rc2.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3_rc2.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6160,7 +6168,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3_rc2.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6170,7 +6178,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_SameDim:
@@ -6180,9 +6188,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
     SCOPE = 'entity'
@@ -6191,8 +6199,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc2.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc2.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6201,12 +6209,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc2.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc2.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6215,7 +6223,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6227,7 +6235,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3_rc2.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3_rc2.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6236,8 +6244,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6246,8 +6254,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6256,8 +6264,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6266,7 +6274,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6275,8 +6283,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6285,8 +6293,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6295,8 +6303,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6305,7 +6313,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6314,8 +6322,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6324,8 +6332,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6334,8 +6342,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6344,8 +6352,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6354,8 +6362,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6365,10 +6373,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6378,9 +6386,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6390,8 +6398,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6400,8 +6408,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6410,8 +6418,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6420,8 +6428,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6430,8 +6438,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6440,8 +6448,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6450,8 +6458,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6460,8 +6468,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6470,8 +6478,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6480,8 +6488,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6490,8 +6498,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6500,8 +6508,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6510,8 +6518,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6520,8 +6528,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6530,8 +6538,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6540,11 +6548,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6557,16 +6565,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6575,7 +6583,7 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6584,7 +6592,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6593,10 +6601,10 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6605,12 +6613,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6619,7 +6627,7 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6628,7 +6636,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6637,7 +6645,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6646,12 +6654,12 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6660,7 +6668,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6670,16 +6678,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6688,8 +6696,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6698,8 +6706,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6708,8 +6716,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6718,8 +6726,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6728,8 +6736,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6738,8 +6746,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6748,8 +6756,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6758,8 +6766,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6768,8 +6776,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6778,8 +6786,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6788,8 +6796,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6798,8 +6806,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6808,7 +6816,7 @@ class IfcColumnStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6817,8 +6825,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6827,8 +6835,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6837,8 +6845,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6847,8 +6855,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6857,7 +6865,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6867,7 +6875,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6877,7 +6885,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6887,7 +6895,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6897,9 +6905,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6908,17 +6916,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6927,7 +6935,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6940,12 +6948,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3_rc2.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6954,8 +6962,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6964,7 +6972,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3_rc2.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6974,8 +6982,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6984,8 +6992,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6994,8 +7002,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7004,8 +7012,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7014,8 +7022,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7024,8 +7032,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -7034,8 +7042,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7044,8 +7052,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7054,8 +7062,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7064,8 +7072,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7074,8 +7082,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7084,8 +7092,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7094,8 +7102,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7104,8 +7112,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7114,8 +7122,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7124,8 +7132,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7134,8 +7142,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7144,8 +7152,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7154,8 +7162,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7164,8 +7172,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7174,8 +7182,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7184,8 +7192,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7194,8 +7202,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7204,8 +7212,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7214,8 +7222,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7224,8 +7232,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7234,8 +7242,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7244,8 +7252,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7254,8 +7262,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7264,8 +7272,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7274,8 +7282,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7284,8 +7292,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7294,8 +7302,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7307,8 +7315,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7317,8 +7325,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7327,8 +7335,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -7340,7 +7348,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3_rc2.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3_rc2.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyle_IdentifiableCurveStyle:
@@ -7350,9 +7358,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7362,7 +7370,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7372,8 +7380,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7382,8 +7390,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7392,8 +7400,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7402,8 +7410,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7412,8 +7420,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7422,8 +7430,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7432,11 +7440,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7446,11 +7454,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7460,9 +7468,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc2.ifcconic', 'ifc4x3_rc2.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7472,8 +7480,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7482,8 +7490,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7492,8 +7500,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7502,8 +7510,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7512,8 +7520,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7522,8 +7530,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7532,8 +7540,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7542,8 +7550,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7552,8 +7560,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7562,8 +7570,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectStyleAssigned:
@@ -7573,8 +7581,8 @@ class IfcDoor_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7583,8 +7591,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7594,8 +7602,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7605,8 +7613,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7616,8 +7624,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7627,7 +7635,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7636,7 +7644,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7645,8 +7653,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7655,7 +7663,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7664,7 +7672,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7673,8 +7681,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7683,8 +7691,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7693,8 +7701,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7703,8 +7711,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7713,8 +7721,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7723,8 +7731,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7733,8 +7741,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7743,8 +7751,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7753,8 +7761,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7763,8 +7771,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7773,8 +7781,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7783,9 +7791,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7797,7 +7805,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7807,8 +7815,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7817,8 +7825,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7827,8 +7835,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7837,8 +7845,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7847,8 +7855,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7857,8 +7865,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7867,8 +7875,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7877,8 +7885,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7887,8 +7895,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7897,8 +7905,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7907,8 +7915,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7917,8 +7925,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7927,8 +7935,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7937,8 +7945,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7947,8 +7955,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7957,8 +7965,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7967,8 +7975,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7977,8 +7985,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7987,8 +7995,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7997,8 +8005,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8007,8 +8015,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8017,8 +8025,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8027,8 +8035,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8037,8 +8045,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -8047,7 +8055,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -8057,8 +8065,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8067,8 +8075,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8077,8 +8085,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8087,8 +8095,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8097,8 +8105,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8107,8 +8115,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8117,8 +8125,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8127,8 +8135,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8137,8 +8145,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8147,8 +8155,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8157,9 +8165,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8168,8 +8176,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8178,9 +8186,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8189,9 +8197,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8201,7 +8209,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8210,7 +8218,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8219,7 +8227,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3_rc2.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8232,8 +8240,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8242,8 +8250,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8252,8 +8260,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8262,8 +8270,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8272,8 +8280,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8282,8 +8290,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
     SCOPE = 'entity'
@@ -8292,7 +8300,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8301,7 +8309,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8310,7 +8318,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc2.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc2.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8319,7 +8327,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc2.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc2.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8328,7 +8336,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8337,8 +8345,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8347,8 +8355,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8357,8 +8365,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8367,8 +8375,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8377,8 +8385,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8387,8 +8395,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8397,8 +8405,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8407,8 +8415,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8417,8 +8425,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8427,8 +8435,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8437,8 +8445,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8447,8 +8455,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8457,8 +8465,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8467,8 +8475,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8477,8 +8485,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8487,8 +8495,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8497,8 +8505,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8507,8 +8515,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8517,8 +8525,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8527,8 +8535,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8537,8 +8545,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8547,8 +8555,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8557,8 +8565,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8567,7 +8575,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc2.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc2.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8576,8 +8584,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8586,7 +8594,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8596,9 +8604,9 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8607,23 +8615,23 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8632,12 +8640,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 def calc_IfcGradientCurve_Height(self):
     return IfcGradient(self)
@@ -8649,8 +8657,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8659,9 +8667,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8674,8 +8682,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8684,8 +8692,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8694,8 +8702,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8704,8 +8712,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8714,8 +8722,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8724,8 +8732,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -8734,8 +8742,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8745,8 +8753,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
@@ -8756,11 +8764,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8770,8 +8778,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8780,8 +8788,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8790,8 +8798,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8800,7 +8808,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8810,8 +8818,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8820,8 +8828,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8830,8 +8838,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8840,7 +8848,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8849,7 +8857,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8858,8 +8866,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8868,8 +8876,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8878,8 +8886,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8888,9 +8896,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8900,8 +8908,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8910,8 +8918,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8920,8 +8928,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8930,8 +8938,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8940,8 +8948,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8950,8 +8958,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8960,8 +8968,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8970,8 +8978,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -8980,9 +8988,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8991,8 +8999,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9001,8 +9009,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9011,8 +9019,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -9021,8 +9029,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
@@ -9032,8 +9040,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -9042,7 +9050,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc2.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -9052,7 +9060,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -9065,7 +9073,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -9075,8 +9083,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9085,8 +9093,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9095,8 +9103,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9105,8 +9113,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9115,8 +9123,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9125,8 +9133,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9135,8 +9143,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9145,8 +9153,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -9155,7 +9163,7 @@ class IfcMemberStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9164,8 +9172,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9177,8 +9185,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9187,8 +9195,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9197,8 +9205,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9207,8 +9215,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9217,8 +9225,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9227,8 +9235,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9237,8 +9245,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9247,8 +9255,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9257,8 +9265,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9267,7 +9275,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9276,8 +9284,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9286,8 +9294,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9296,8 +9304,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9306,7 +9314,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9316,8 +9324,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9326,8 +9334,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9336,8 +9344,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9346,8 +9354,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9356,7 +9364,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9365,8 +9373,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9376,8 +9384,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
@@ -9387,18 +9395,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9407,8 +9415,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9417,8 +9425,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9427,8 +9435,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9437,9 +9445,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9457,8 +9465,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9467,9 +9475,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9479,9 +9487,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9491,7 +9499,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9501,7 +9509,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9511,8 +9519,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9521,8 +9529,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9531,8 +9539,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9541,8 +9549,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9551,8 +9559,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9561,8 +9569,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9571,8 +9579,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9581,8 +9589,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9591,8 +9599,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9601,7 +9609,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9611,7 +9619,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9621,7 +9629,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9631,9 +9639,9 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9643,12 +9651,12 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9657,8 +9665,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9667,8 +9675,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -9677,7 +9685,7 @@ class IfcPlateStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9686,20 +9694,20 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointByDistanceExpression_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -9708,8 +9716,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9718,8 +9726,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9728,7 +9736,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3_rc2.ifcpolyline', 'ifc4x3_rc2.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9738,8 +9746,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPositioningElement_HasPlacement:
     SCOPE = 'entity'
@@ -9748,7 +9756,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9757,13 +9765,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9773,7 +9781,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc2.ifcshaperepresentation', 'ifc4x3_rc2.ifcgeometricrepresentationitem', 'ifc4x3_rc2.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9783,7 +9791,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc2.ifcgeometricrepresentationitem', 'ifc4x3_rc2.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_HasName:
@@ -9793,7 +9801,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9802,8 +9810,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9812,8 +9820,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9822,9 +9830,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc2.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc2.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9833,7 +9841,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc2.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
@@ -9843,7 +9851,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_CorrectContext:
     SCOPE = 'entity'
@@ -9852,7 +9860,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc2.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc2.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -9861,7 +9869,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -9870,8 +9878,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
     SCOPE = 'entity'
@@ -9880,8 +9888,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -9891,8 +9899,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
@@ -9902,8 +9910,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -9913,8 +9921,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -9924,9 +9932,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -9935,7 +9943,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -9944,7 +9952,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -9953,7 +9961,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -9962,7 +9970,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -9972,7 +9980,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -9981,7 +9989,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -9991,8 +9999,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -10002,8 +10010,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -10012,8 +10020,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10022,8 +10030,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10032,8 +10040,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10042,8 +10050,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10052,8 +10060,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10062,8 +10070,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10072,8 +10080,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -10082,7 +10090,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10091,8 +10099,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10101,8 +10109,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10111,8 +10119,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10121,7 +10129,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10130,7 +10138,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10140,7 +10148,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10150,7 +10158,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10159,7 +10167,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10169,7 +10177,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10178,7 +10186,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10188,7 +10196,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10197,7 +10205,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10207,7 +10215,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10216,7 +10224,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10226,8 +10234,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10236,8 +10244,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10246,8 +10254,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10256,8 +10264,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10266,8 +10274,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10276,8 +10284,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10286,8 +10294,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10296,8 +10304,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10306,8 +10314,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10316,8 +10324,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10326,8 +10334,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10336,8 +10344,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10346,8 +10354,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10359,8 +10367,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10369,8 +10377,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10382,9 +10390,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
@@ -10394,8 +10402,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
     SCOPE = 'entity'
@@ -10404,9 +10412,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10415,8 +10423,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10425,8 +10433,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10436,8 +10444,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10447,10 +10455,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3_rc2.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3_rc2.ifcplane' in typeof(basissurface)) or 'ifc4x3_rc2.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10460,9 +10468,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10472,8 +10480,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10482,8 +10490,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10492,8 +10500,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10502,8 +10510,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10512,8 +10520,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
@@ -10523,8 +10531,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10533,8 +10541,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10543,8 +10551,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10553,8 +10561,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcRelAggregates_NoSelfReference:
@@ -10564,8 +10572,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -10575,8 +10583,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10586,8 +10594,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10596,8 +10604,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10606,8 +10614,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10616,8 +10624,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10626,8 +10634,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10636,8 +10644,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10646,7 +10654,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc2.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc2.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc2.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc2.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10655,7 +10663,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc2.ifcelement', 'ifc4x3_rc2.ifcelementtype', 'ifc4x3_rc2.ifcwindowstyle', 'ifc4x3_rc2.ifcdoorstyle', 'ifc4x3_rc2.ifcstructuralmember', 'ifc4x3_rc2.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc2.ifcelement', 'ifc4x3_rc2.ifcelementtype', 'ifc4x3_rc2.ifcwindowstyle', 'ifc4x3_rc2.ifcdoorstyle', 'ifc4x3_rc2.ifcstructuralmember', 'ifc4x3_rc2.ifcport']) == 0]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10664,8 +10672,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10675,7 +10683,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10685,7 +10693,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10695,8 +10703,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10706,7 +10714,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc2.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10716,8 +10724,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10727,7 +10735,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc2.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc2.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10736,8 +10744,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10747,8 +10755,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10758,8 +10766,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10769,7 +10777,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc2.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3_rc2.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10779,8 +10787,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10790,9 +10798,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10801,9 +10809,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc2.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc2.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc2.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc2.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc2.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc2.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10812,7 +10820,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10822,7 +10830,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3_rc2.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
@@ -10832,8 +10840,8 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
     SCOPE = 'entity'
@@ -10842,12 +10850,12 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -10856,7 +10864,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10865,8 +10873,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10875,8 +10883,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10885,8 +10893,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -10895,11 +10903,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10908,8 +10916,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10918,8 +10926,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10928,8 +10936,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -10938,7 +10946,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -10947,7 +10955,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -10956,8 +10964,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -10966,8 +10974,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -10976,7 +10984,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -10986,8 +10994,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -10997,8 +11005,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(temp, 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11007,8 +11015,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
@@ -11018,8 +11026,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
     SCOPE = 'entity'
@@ -11028,8 +11036,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -11041,8 +11049,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11051,8 +11059,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11061,8 +11069,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11071,8 +11079,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11081,8 +11089,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11091,8 +11099,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11101,8 +11109,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11111,7 +11119,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc2.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11120,7 +11128,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3_rc2.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3_rc2.ifcvertexpoint', 'ifc4x3_rc2.ifcedgecurve', 'ifc4x3_rc2.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
@@ -11130,7 +11138,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11139,7 +11147,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11148,7 +11156,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -11160,8 +11168,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11170,8 +11178,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11180,8 +11188,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11190,8 +11198,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11200,8 +11208,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11210,8 +11218,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11220,8 +11228,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11230,8 +11238,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -11240,7 +11248,7 @@ class IfcSlabElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcSlabStandardCase_HasMaterialLayerSetusage:
     SCOPE = 'entity'
@@ -11249,7 +11257,7 @@ class IfcSlabStandardCase_HasMaterialLayerSetusage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11258,8 +11266,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11268,8 +11276,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11278,8 +11286,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11288,8 +11296,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11301,8 +11309,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11311,8 +11319,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11321,8 +11329,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11331,8 +11339,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11341,8 +11349,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11351,8 +11359,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11361,7 +11369,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc2.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc2.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc2.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc2.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11370,8 +11378,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11380,8 +11388,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11390,8 +11398,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11400,8 +11408,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11410,8 +11418,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11420,8 +11428,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11430,8 +11438,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11440,8 +11448,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11450,8 +11458,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11460,8 +11468,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11470,8 +11478,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11480,8 +11488,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -11490,8 +11498,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11500,8 +11508,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11510,8 +11518,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11520,8 +11528,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11530,8 +11538,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11540,8 +11548,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11550,8 +11558,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11560,7 +11568,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadlinearforce', 'ifc4x3_rc2.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadlinearforce', 'ifc4x3_rc2.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11569,7 +11577,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11578,7 +11586,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11587,8 +11595,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11598,10 +11606,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11610,7 +11618,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadplanarforce', 'ifc4x3_rc2.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadplanarforce', 'ifc4x3_rc2.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11619,7 +11627,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11628,7 +11636,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadsingleforce', 'ifc4x3_rc2.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadsingleforce', 'ifc4x3_rc2.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11637,7 +11645,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadsingleforce', 'ifc4x3_rc2.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc2.ifcstructuralloadsingleforce', 'ifc4x3_rc2.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11646,8 +11654,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11656,8 +11664,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11666,8 +11674,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11676,8 +11684,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11686,8 +11694,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11696,7 +11704,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11706,7 +11714,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc2.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc2.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11715,8 +11723,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11725,8 +11733,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11738,8 +11746,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11748,7 +11756,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -11761,8 +11769,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -11771,17 +11779,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
     SCOPE = 'entity'
@@ -11790,9 +11798,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
@@ -11802,7 +11810,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -11812,7 +11820,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -11822,7 +11830,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
@@ -11832,7 +11840,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -11841,7 +11849,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -11850,7 +11858,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -11859,7 +11867,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
     SCOPE = 'entity'
@@ -11868,7 +11876,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc2.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -11877,8 +11885,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
     SCOPE = 'entity'
@@ -11887,8 +11895,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -11897,8 +11905,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
@@ -11908,9 +11916,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc2.ifcconic', 'ifc4x3_rc2.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -11920,8 +11928,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -11930,7 +11938,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc2.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3_rc2.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc2.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -11939,8 +11947,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11949,8 +11957,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11959,8 +11967,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11969,8 +11977,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11979,8 +11987,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11989,8 +11997,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11999,8 +12007,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12009,8 +12017,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -12020,8 +12028,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -12031,8 +12039,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -12041,20 +12049,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12063,8 +12071,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12073,8 +12081,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12083,8 +12091,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -12093,7 +12101,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12102,8 +12110,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12112,8 +12120,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12122,12 +12130,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12137,8 +12145,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12147,8 +12155,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12157,8 +12165,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12167,8 +12175,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12177,8 +12185,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12187,8 +12195,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12197,8 +12205,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12207,8 +12215,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12217,8 +12225,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12230,7 +12238,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12240,7 +12248,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc2.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3_rc2.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12249,7 +12257,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc2.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc2.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12258,7 +12266,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12267,7 +12275,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12276,8 +12284,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12287,8 +12295,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12297,8 +12305,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12307,8 +12315,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12317,8 +12325,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12327,8 +12335,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctranformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctranformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12337,8 +12345,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12347,8 +12355,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12357,8 +12365,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12367,11 +12375,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or ((predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or ((predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12381,7 +12389,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
     SCOPE = 'entity'
@@ -12390,7 +12398,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12400,7 +12408,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
@@ -12410,7 +12418,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc2.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12420,8 +12428,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12430,8 +12438,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12440,8 +12448,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12450,7 +12458,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12459,7 +12467,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12469,7 +12477,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc2.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc2.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12478,8 +12486,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12489,8 +12497,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12500,7 +12508,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12510,8 +12518,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12520,8 +12528,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12530,8 +12538,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12540,8 +12548,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12550,8 +12558,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12560,8 +12568,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12570,8 +12578,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12580,8 +12588,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12590,8 +12598,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12600,12 +12608,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12614,8 +12622,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12624,8 +12632,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12634,8 +12642,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12644,8 +12652,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12654,8 +12662,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12664,8 +12672,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -12674,8 +12682,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12684,8 +12692,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12694,8 +12702,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -12704,7 +12712,7 @@ class IfcWallElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -12713,7 +12721,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc2.ifcrelassociates.relatedobjects') if 'ifc4x3_rc2.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc2.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12722,8 +12730,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12732,8 +12740,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12742,8 +12750,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12752,8 +12760,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectStyleAssigned:
     SCOPE = 'entity'
@@ -12762,8 +12770,8 @@ class IfcWindow_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc2.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -12772,8 +12780,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -12783,8 +12791,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -12794,8 +12802,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -12805,7 +12813,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -12814,7 +12822,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc2.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc2.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12823,8 +12831,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12833,8 +12841,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12843,8 +12851,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12853,8 +12861,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12863,8 +12871,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -12874,19 +12882,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc2.ifczone' in typeof(temp) or 'ifc4x3_rc2.ifcspace' in typeof(temp) or 'ifc4x3_rc2.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc2.ifczone' in typeof(temp) or 'ifc4x3_rc2.ifcspace' in typeof(temp) or 'ifc4x3_rc2.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -12896,11 +12904,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -12914,13 +12922,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -12938,7 +12946,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -12975,11 +12983,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13159,7 +13167,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3_rc2.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3_rc2.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13170,27 +13178,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc2.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc2.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc2.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc2.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc2.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc2.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc2.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -13202,26 +13210,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc2.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc2.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc2.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc2.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc2.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3_rc2.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3_rc2.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc2.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc2.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13230,17 +13238,17 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3_rc2.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc2.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc2.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc2.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3_rc2.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc2.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc2.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3_rc2.ifcoffsetcurve3d' in typeof(curve):
@@ -13258,13 +13266,13 @@ def IfcCurveDim(curve):
     if 'ifc4x3_rc2.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc2.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13272,13 +13280,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -13348,15 +13356,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13365,36 +13373,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3_rc2.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3_rc2.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3_rc2.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcGradient(gradientcurve):
@@ -13414,9 +13422,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13434,10 +13442,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13448,25 +13456,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3_rc2.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3_rc2.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13478,18 +13486,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -13500,32 +13508,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13546,15 +13554,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3_rc2.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13570,71 +13578,71 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3_rc2.ifcpoint', 'ifc4x3_rc2.ifccurve', 'ifc4x3_rc2.ifcgeometriccurveset', 'ifc4x3_rc2.ifcannotationfillarea', 'ifc4x3_rc2.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc2.ifcpoint' in typeof(temp) or 'ifc4x3_rc2.ifccurve' in typeof(temp) or ('ifc4x3_rc2.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3_rc2.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc2.ifcpoint' in typeof(temp) or ('ifc4x3_rc2.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3_rc2.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc2.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc2.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc2.ifctessellateditem', 'ifc4x3_rc2.ifcshellbasedsurfacemodel', 'ifc4x3_rc2.ifcfacebasedsurfacemodel', 'ifc4x3_rc2.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc2.ifctessellateditem', 'ifc4x3_rc2.ifcshellbasedsurfacemodel', 'ifc4x3_rc2.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc2.ifcextrudedareasolid', 'ifc4x3_rc2.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3_rc2.ifcextrudedareasolidtapered', 'ifc4x3_rc2.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc2.ifcsweptareasolid', 'ifc4x3_rc2.ifcsweptdisksolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc2.ifcbooleanresult', 'ifc4x3_rc2.ifccsgprimitive3d', 'ifc4x3_rc2.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc2.ifccsgsolid', 'ifc4x3_rc2.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13642,9 +13650,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13654,28 +13662,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3_rc2.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3_rc2.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3_rc2.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3_rc2.ifcopenshell' in typeof(temp) or 'ifc4x3_rc2.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -13686,7 +13694,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3_rc2.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3_rc2.ifcpropertysetdefinitionset' in typeof(definition):
@@ -13699,7 +13707,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -13707,7 +13715,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3_rc2.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -13715,41 +13723,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc2.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc2.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13757,31 +13765,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc2.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc2.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC3.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC3.py
index 4def6a3c26..c4134a28de 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC3.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC3.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,5006 +147,5007 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentCantSegmentTypeEnum = enum_namespace()
-constantcant = getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
-lineartransition = getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-blosscurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+constantcant = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
+lineartransition = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentHorizontalSegmentTypeEnum = enum_namespace()
-line = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
-circulararc = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-cubic = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-blosscurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-cubicspiral = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBICSPIRAL', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+line = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+cubic = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+cubicspiral = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBICSPIRAL', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentVerticalSegmentTypeEnum = enum_namespace()
-constantgradient = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
-circulararc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-parabolicarc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+constantgradient = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+parabolicarc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-assumedpoint = getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
-asbuiltarea = getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
-asbuiltline = getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
-non_physical_signal = getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
-assumedline = getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
-widthevent = getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-assumedarea = getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
-superelevationevent = getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-asbuiltpoint = getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assumedpoint = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
+asbuiltarea = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
+asbuiltline = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
+non_physical_signal = express_getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
+assumedline = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
+widthevent = express_getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+assumedarea = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
+superelevationevent = express_getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+asbuiltpoint = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-railway_communication_terminal = getattr(IfcAudioVisualApplianceTypeEnum, 'RAILWAY_COMMUNICATION_TERMINAL', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+railway_communication_terminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RAILWAY_COMMUNICATION_TERMINAL', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeDisplacementEnum = enum_namespace()
-fixed_movement = getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
-guided_longitudinal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
-guided_transversal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
-free_movement = getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
+fixed_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
+guided_longitudinal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
+guided_transversal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
+free_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-reinforcing = getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-prestressing = getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-erosionprevention = getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+reinforcing = express_getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+prestressing = express_getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-mooringsystem = getattr(IfcBuiltSystemTypeEnum, 'MOORINGSYSTEM', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+mooringsystem = express_getattr(IfcBuiltSystemTypeEnum, 'MOORINGSYSTEM', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-intelligent_peripheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENT_PERIPHERAL', INDETERMINATE)
-ip_network_equipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IP_NETWORK_EQUIPMENT', INDETERMINATE)
-optical_network_unit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICAL_NETWORK_UNIT', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+intelligent_peripheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENT_PERIPHERAL', INDETERMINATE)
+ip_network_equipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IP_NETWORK_EQUIPMENT', INDETERMINATE)
+optical_network_unit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICAL_NETWORK_UNIT', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-pointmachinemountingdevice = getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
-point_machine_locking_device = getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+pointmachinemountingdevice = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
+point_machine_locking_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_panel_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING', INDETERMINATE)
-double_panel_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_panel_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_panel_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_panel_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_panel_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_FOLDING', INDETERMINATE)
-revolving_horizontal = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_HORIZONTAL', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-double_panel_lifting_vertical = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_LIFTING_VERTICAL', INDETERMINATE)
-lifting_horizontal = getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
-lifting_vertical_left = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
-lifting_vertical_right = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
-revolving_vertical = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_panel_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING', INDETERMINATE)
+double_panel_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_panel_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_panel_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_panel_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_panel_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_FOLDING', INDETERMINATE)
+revolving_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_HORIZONTAL', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+double_panel_lifting_vertical = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_LIFTING_VERTICAL', INDETERMINATE)
+lifting_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
+lifting_vertical_left = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
+lifting_vertical_right = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
+revolving_vertical = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-firemonitor = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+firemonitor = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-revetment = getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+revetment = express_getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-storage = getattr(IfcMarinePartTypeEnum, 'STORAGE', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+storage = express_getattr(IfcMarinePartTypeEnum, 'STORAGE', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-remote_radio_unit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTE_RADIO_UNIT', INDETERMINATE)
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+remote_radio_unit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTE_RADIO_UNIT', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPavementTypeEnum = enum_namespace()
-flexible = getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
-rigid = getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
-userdefined = getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexible = express_getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
+rigid = express_getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
+userdefined = express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-trackstructure = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
-trackstructurepart = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
-linesidestructurepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
-dilatationsuperstructure = getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
-plaintracksupestructure = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
-linesidestructure = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-turnoutsuperstructure = getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackstructure = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
+trackstructurepart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
+linesidestructurepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
+dilatationsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
+plaintracksupestructure = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
+linesidestructure = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+turnoutsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayTypeEnum = enum_namespace()
-userdefined = getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadTypeEnum = enum_namespace()
-userdefined = getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-berth = getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+berth = express_getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransportElementFixedTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-craneway = getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-haulinggear = getattr(IfcTransportElementFixedTypeEnum, 'HAULINGGEAR', INDETERMINATE)
-userdefined = getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+haulinggear = express_getattr(IfcTransportElementFixedTypeEnum, 'HAULINGGEAR', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransportElementNonFixedTypeEnum = enum_namespace()
-vehicle = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicletracked = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-rollingstock = getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehiclewheeled = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-vehicleair = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-cargo = getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
-vehiclemarine = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-userdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+vehicle = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicletracked = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+rollingstock = express_getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+vehicleair = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+cargo = express_getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
+vehiclemarine = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3_RC3')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignmentCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCant', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCant', *args, **kwargs)
 
 def IfcAlignmentCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCantSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCantSegment', *args, **kwargs)
 
 def IfcAlignmentHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontal', *args, **kwargs)
 
 def IfcAlignmentHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontalSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontalSegment', *args, **kwargs)
 
 def IfcAlignmentParameterSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentParameterSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentParameterSegment', *args, **kwargs)
 
 def IfcAlignmentSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentSegment', *args, **kwargs)
 
 def IfcAlignmentVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVertical', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVertical', *args, **kwargs)
 
 def IfcAlignmentVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVerticalSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVerticalSegment', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxis2PlacementLinear(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2PlacementLinear', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2PlacementLinear', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamStandardCase', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcClothoid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClothoid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcClothoid', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnStandardCase', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCosine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCosine', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCosine', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDerivedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDistanceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDistanceSweptAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDistanceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStandardCase', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGradientCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGradientCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGradientCurve', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcInclinedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInclinedReferenceSweptAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcInclinedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLinearElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearElement', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberStandardCase', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpeningStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningStandardCase', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlant', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlant', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateStandardCase', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointByDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointByDistanceExpression', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointByDistanceExpression', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPolynomialCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolynomialCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPolynomialCurve', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSecondOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSecondOrderPolynomialSpiral', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSecondOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSegment', *args, **kwargs)
 
 def IfcSegmentedReferenceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegmentedReferenceCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSegmentedReferenceCurve', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSine', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSine', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabElementedCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabElementedCase', *args, **kwargs)
 
 def IfcSlabStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabStandardCase', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSolidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidStratum', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidStratum', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpiral', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSpiral', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcThirdOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcThirdOrderPolynomialSpiral', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcThirdOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVienneseBend(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVienneseBend', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVienneseBend', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidStratum', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidStratum', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallElementedCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWallElementedCase', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWaterStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWaterStratum', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWaterStratum', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStandardCase', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStandardCase', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3_RC3', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5148,7 +5156,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5229,7 +5237,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5238,7 +5246,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5247,7 +5255,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5346,7 +5354,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5355,7 +5363,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5364,7 +5372,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5373,8 +5381,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5383,8 +5391,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5393,8 +5401,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5403,8 +5411,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5413,8 +5421,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5423,7 +5431,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc3.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc3.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5432,8 +5440,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc3.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc3.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5442,7 +5450,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc3.ifcelementarysurface', 'ifc4x3_rc3.ifcsweptsurface', 'ifc4x3_rc3.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc3.ifcelementarysurface', 'ifc4x3_rc3.ifcsweptsurface', 'ifc4x3_rc3.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5451,7 +5459,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc3.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc3.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc3.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc3.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5460,7 +5468,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc3.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc3.ifcline', 'ifc4x3_rc3.ifcconic', 'ifc4x3_rc3.ifcpolyline', 'ifc4x3_rc3.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc3.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc3.ifcline', 'ifc4x3_rc3.ifcconic', 'ifc4x3_rc3.ifcpolyline', 'ifc4x3_rc3.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5469,8 +5477,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5479,8 +5487,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5489,8 +5497,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5499,8 +5507,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5509,8 +5517,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5519,8 +5527,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5529,8 +5537,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5539,8 +5547,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5549,8 +5557,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5559,8 +5567,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5569,8 +5577,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5579,8 +5587,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5589,8 +5597,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5600,8 +5608,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5610,7 +5618,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5620,7 +5628,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5630,7 +5638,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3_rc3.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5639,8 +5647,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5649,7 +5657,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5658,8 +5666,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5668,7 +5676,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3_rc3.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5678,9 +5686,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5690,9 +5698,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5702,9 +5710,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5714,9 +5722,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5726,8 +5734,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5736,8 +5744,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5746,8 +5754,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5756,8 +5764,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5766,7 +5774,7 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIsCP:
     SCOPE = 'entity'
@@ -5775,10 +5783,10 @@ class IfcAxis1Placement_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc3.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_RefDirIs2D:
@@ -5788,8 +5796,8 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIs2D:
     SCOPE = 'entity'
@@ -5798,7 +5806,7 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIsCP:
     SCOPE = 'entity'
@@ -5807,10 +5815,10 @@ class IfcAxis2Placement2D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc3.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_LocationIs3D:
@@ -5820,7 +5828,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
     SCOPE = 'entity'
@@ -5829,8 +5837,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5839,8 +5847,8 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5849,9 +5857,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
     SCOPE = 'entity'
@@ -5860,8 +5868,8 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 class IfcAxis2Placement3D_LocationIsCP:
@@ -5871,11 +5879,11 @@ class IfcAxis2Placement3D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc3.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcAxis2PlacementLinear_WR1:
@@ -5885,7 +5893,7 @@ class IfcAxis2PlacementLinear_WR1:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifcpointbydistanceexpression' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc3.ifcpointbydistanceexpression' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2PlacementLinear_WR2:
     SCOPE = 'entity'
@@ -5894,9 +5902,9 @@ class IfcAxis2PlacementLinear_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcBSplineCurve_SameDim:
     SCOPE = 'entity'
@@ -5905,16 +5913,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5924,11 +5932,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5938,26 +5946,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5967,10 +5975,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5979,10 +5987,10 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
     SCOPE = 'entity'
@@ -5991,8 +5999,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -6002,16 +6010,16 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -6021,8 +6029,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6031,8 +6039,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6041,7 +6049,7 @@ class IfcBeamStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6050,8 +6058,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6060,8 +6068,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6070,8 +6078,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6080,8 +6088,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
     SCOPE = 'entity'
@@ -6090,7 +6098,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6099,7 +6107,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBoiler_CorrectPredefinedType:
@@ -6109,8 +6117,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6119,8 +6127,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6129,8 +6137,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6139,7 +6147,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3_rc3.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3_rc3.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3_rc3.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6149,7 +6157,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3_rc3.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6159,7 +6167,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_SameDim:
@@ -6169,9 +6177,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
     SCOPE = 'entity'
@@ -6180,8 +6188,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc3.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc3.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6190,12 +6198,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc3.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc3.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6204,7 +6212,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6216,7 +6224,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3_rc3.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3_rc3.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBridge_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6225,8 +6233,8 @@ class IfcBridge_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6235,8 +6243,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6245,8 +6253,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6255,8 +6263,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6265,7 +6273,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6274,8 +6282,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6284,8 +6292,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6294,8 +6302,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6304,7 +6312,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6313,8 +6321,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6323,8 +6331,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6333,8 +6341,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6343,8 +6351,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6353,8 +6361,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6364,10 +6372,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6377,9 +6385,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6389,8 +6397,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6399,8 +6407,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6409,8 +6417,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6419,8 +6427,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6429,8 +6437,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6439,8 +6447,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6449,8 +6457,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6459,8 +6467,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6469,8 +6477,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6479,8 +6487,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6489,8 +6497,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6499,8 +6507,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6509,8 +6517,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6519,8 +6527,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6529,8 +6537,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6539,11 +6547,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6556,16 +6564,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6574,7 +6582,7 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6583,7 +6591,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6592,10 +6600,10 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6604,12 +6612,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6618,7 +6626,7 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6627,7 +6635,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6636,7 +6644,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6645,12 +6653,12 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6659,7 +6667,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6669,16 +6677,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6687,8 +6695,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6697,8 +6705,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6707,8 +6715,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6717,8 +6725,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6727,8 +6735,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6737,8 +6745,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6747,8 +6755,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6757,8 +6765,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6767,8 +6775,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6777,8 +6785,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6787,8 +6795,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6797,8 +6805,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6807,7 +6815,7 @@ class IfcColumnStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6816,8 +6824,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6826,8 +6834,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6836,8 +6844,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6846,8 +6854,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6856,7 +6864,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6866,7 +6874,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6876,7 +6884,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6886,7 +6894,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6896,9 +6904,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6907,17 +6915,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6926,7 +6934,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6939,12 +6947,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3_rc3.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6953,8 +6961,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6963,7 +6971,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3_rc3.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6973,8 +6981,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6983,8 +6991,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6993,8 +7001,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7003,8 +7011,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7013,8 +7021,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7023,8 +7031,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -7033,8 +7041,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7043,8 +7051,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7053,8 +7061,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7063,8 +7071,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7073,8 +7081,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7083,8 +7091,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7093,8 +7101,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7103,8 +7111,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7113,8 +7121,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7123,8 +7131,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7133,8 +7141,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7143,8 +7151,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7153,8 +7161,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7163,8 +7171,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7173,8 +7181,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7183,8 +7191,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7193,8 +7201,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7203,8 +7211,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7213,8 +7221,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7223,8 +7231,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7233,8 +7241,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7243,8 +7251,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7253,8 +7261,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7263,8 +7271,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7273,8 +7281,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7283,8 +7291,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7293,8 +7301,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7306,8 +7314,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7316,8 +7324,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7326,15 +7334,15 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
 
 def calc_IfcCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCurveStyle_MeasureOfWidth:
     SCOPE = 'entity'
@@ -7343,7 +7351,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3_rc3.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3_rc3.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyle_IdentifiableCurveStyle:
@@ -7353,9 +7361,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7365,7 +7373,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7375,8 +7383,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7385,8 +7393,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7395,8 +7403,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7405,8 +7413,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7415,8 +7423,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7425,8 +7433,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7435,11 +7443,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7449,11 +7457,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7463,9 +7471,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc3.ifcconic', 'ifc4x3_rc3.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7475,8 +7483,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7485,8 +7493,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7495,8 +7503,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7505,8 +7513,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7515,8 +7523,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7525,8 +7533,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7535,8 +7543,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7545,8 +7553,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7555,8 +7563,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7565,8 +7573,8 @@ class IfcDistributionSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7575,8 +7583,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectStyleAssigned:
@@ -7586,8 +7594,8 @@ class IfcDoor_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7596,8 +7604,8 @@ class IfcDoor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDoor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7606,8 +7614,8 @@ class IfcDoor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7616,8 +7624,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7627,8 +7635,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7638,8 +7646,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7649,8 +7657,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7660,7 +7668,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7669,7 +7677,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7678,8 +7686,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7688,7 +7696,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7697,7 +7705,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7706,8 +7714,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7716,8 +7724,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7726,8 +7734,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7736,8 +7744,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7746,8 +7754,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7756,8 +7764,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7766,8 +7774,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7776,8 +7784,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7786,8 +7794,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7796,8 +7804,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7806,8 +7814,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7816,9 +7824,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7830,7 +7838,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7840,8 +7848,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7850,8 +7858,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7860,8 +7868,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7870,8 +7878,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7880,8 +7888,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7890,8 +7898,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7900,8 +7908,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7910,8 +7918,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7920,8 +7928,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7930,8 +7938,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7940,8 +7948,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7950,8 +7958,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7960,8 +7968,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7970,8 +7978,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7980,8 +7988,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7990,8 +7998,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8000,8 +8008,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8010,8 +8018,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8020,8 +8028,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8030,8 +8038,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8040,8 +8048,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8050,8 +8058,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8060,8 +8068,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8070,8 +8078,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -8080,7 +8088,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -8090,8 +8098,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8100,8 +8108,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8110,8 +8118,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8120,8 +8128,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8130,8 +8138,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8140,8 +8148,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8150,8 +8158,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8160,8 +8168,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8170,8 +8178,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8180,8 +8188,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8190,9 +8198,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8201,8 +8209,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8211,9 +8219,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8222,9 +8230,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8234,7 +8242,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8243,7 +8251,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8252,7 +8260,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3_rc3.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8265,8 +8273,8 @@ class IfcFacilityPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert ((predefinedtype != getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype != getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype != getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) or ((predefinedtype == getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype == getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert ((predefinedtype != express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype != express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype != express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) or ((predefinedtype == express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype == express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8275,8 +8283,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8285,8 +8293,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8295,8 +8303,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8305,8 +8313,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8315,8 +8323,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8325,8 +8333,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElement_NotContained:
     SCOPE = 'entity'
@@ -8335,7 +8343,7 @@ class IfcFeatureElement_NotContained:
 
     @staticmethod
     def __call__(self):
-        containedinstructure = getattr(self, 'ContainedInStructure', INDETERMINATE)
+        containedinstructure = express_getattr(self, 'ContainedInStructure', INDETERMINATE)
         assert (sizeof(containedinstructure) == 0) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
@@ -8345,7 +8353,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8354,7 +8362,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8363,7 +8371,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc3.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc3.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8372,7 +8380,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc3.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc3.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8381,7 +8389,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8390,8 +8398,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8400,8 +8408,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8410,8 +8418,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8420,8 +8428,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8430,8 +8438,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8440,8 +8448,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8450,8 +8458,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8460,8 +8468,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8470,8 +8478,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8480,8 +8488,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8490,8 +8498,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8500,8 +8508,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8510,8 +8518,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8520,8 +8528,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8530,8 +8538,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8540,8 +8548,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8550,8 +8558,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8560,8 +8568,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8570,8 +8578,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8580,8 +8588,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8590,8 +8598,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8600,8 +8608,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8610,8 +8618,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8620,7 +8628,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc3.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc3.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8629,8 +8637,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8639,7 +8647,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8649,9 +8657,9 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8660,23 +8668,23 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8685,12 +8693,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 def calc_IfcGradientCurve_RelativeElevation(self):
     return IfcGradient(self)
@@ -8702,8 +8710,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8712,9 +8720,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8727,8 +8735,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8737,8 +8745,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8747,8 +8755,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8757,8 +8765,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8767,8 +8775,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8777,8 +8785,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -8787,8 +8795,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8798,8 +8806,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
@@ -8809,11 +8817,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8823,8 +8831,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8833,8 +8841,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8843,8 +8851,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert ((predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert ((predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8853,7 +8861,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8863,8 +8871,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8873,8 +8881,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8883,8 +8891,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8893,7 +8901,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8902,7 +8910,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8911,8 +8919,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8921,8 +8929,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8931,8 +8939,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8941,9 +8949,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8953,8 +8961,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8963,8 +8971,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8973,8 +8981,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8983,8 +8991,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8993,8 +9001,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9003,8 +9011,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9013,8 +9021,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9023,8 +9031,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -9033,9 +9041,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9044,8 +9052,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9054,8 +9062,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9064,8 +9072,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -9074,8 +9082,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
@@ -9085,8 +9093,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -9095,7 +9103,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc3.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -9105,7 +9113,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -9118,7 +9126,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -9128,8 +9136,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9138,8 +9146,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9148,8 +9156,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9158,8 +9166,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9168,8 +9176,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9178,8 +9186,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9188,8 +9196,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9198,8 +9206,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -9208,7 +9216,7 @@ class IfcMemberStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9217,8 +9225,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9230,8 +9238,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9240,8 +9248,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9250,8 +9258,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9260,8 +9268,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9270,8 +9278,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9280,8 +9288,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9290,8 +9298,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9300,8 +9308,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9310,8 +9318,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9320,7 +9328,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9329,8 +9337,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9339,8 +9347,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9349,8 +9357,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9359,7 +9367,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9369,8 +9377,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9379,8 +9387,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9389,8 +9397,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9399,8 +9407,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9409,7 +9417,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9418,8 +9426,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9429,8 +9437,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOpeningElement_CorrectPredefinedType:
@@ -9440,8 +9448,8 @@ class IfcOpeningElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -9450,18 +9458,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9470,8 +9478,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9480,8 +9488,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9490,8 +9498,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9500,9 +9508,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9520,8 +9528,8 @@ class IfcPavement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPavement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9530,8 +9538,8 @@ class IfcPavement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpavementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpavementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPavementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9540,8 +9548,8 @@ class IfcPavementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPcurve_DimIs2D:
     SCOPE = 'entity'
@@ -9550,8 +9558,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9560,9 +9568,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9572,9 +9580,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9584,7 +9592,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9594,7 +9602,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9604,8 +9612,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9614,8 +9622,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9624,8 +9632,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9634,8 +9642,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9644,8 +9652,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9654,8 +9662,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9664,8 +9672,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9674,8 +9682,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9684,8 +9692,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9694,7 +9702,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9704,7 +9712,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9714,7 +9722,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9724,9 +9732,9 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9736,12 +9744,12 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9750,8 +9758,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9760,8 +9768,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -9770,7 +9778,7 @@ class IfcPlateStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9779,20 +9787,20 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointByDistanceExpression_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -9801,8 +9809,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9811,8 +9819,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9821,7 +9829,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3_rc3.ifcpolyline', 'ifc4x3_rc3.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9831,8 +9839,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolynomialCurve_ValidCoefficients:
     SCOPE = 'entity'
@@ -9841,9 +9849,9 @@ class IfcPolynomialCurve_ValidCoefficients:
 
     @staticmethod
     def __call__(self):
-        coefficientsx = getattr(self, 'CoefficientsX', INDETERMINATE)
-        coefficientsy = getattr(self, 'CoefficientsY', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
+        coefficientsx = express_getattr(self, 'CoefficientsX', INDETERMINATE)
+        coefficientsy = express_getattr(self, 'CoefficientsY', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
         assert (exists(coefficientsx) and exists(coefficientsy) or (exists(coefficientsx) and exists(coefficientsz)) or (exists(coefficientsy) and exists(coefficientsz)) or (exists(coefficientsx) and exists(coefficientsy) and exists(coefficientsz))) is not False
 
 class IfcPolynomialCurve_CorrectPositionDim:
@@ -9853,9 +9861,9 @@ class IfcPolynomialCurve_CorrectPositionDim:
 
     @staticmethod
     def __call__(self):
-        position = getattr(self, 'Position', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
-        assert (getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or getattr(position, 'Dim', INDETERMINATE) == 3) is not False
+        position = express_getattr(self, 'Position', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
+        assert (express_getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or express_getattr(position, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcPositioningElement_HasPlacement:
     SCOPE = 'entity'
@@ -9864,7 +9872,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9873,13 +9881,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9889,7 +9897,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc3.ifcshaperepresentation', 'ifc4x3_rc3.ifcgeometricrepresentationitem', 'ifc4x3_rc3.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9899,7 +9907,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc3.ifcgeometricrepresentationitem', 'ifc4x3_rc3.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_HasName:
@@ -9909,7 +9917,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9918,8 +9926,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9928,8 +9936,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9938,9 +9946,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc3.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc3.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9949,7 +9957,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc3.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
@@ -9959,7 +9967,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_CorrectContext:
     SCOPE = 'entity'
@@ -9968,7 +9976,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc3.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc3.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -9977,7 +9985,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -9986,8 +9994,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcProjectionElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9996,8 +10004,8 @@ class IfcProjectionElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
     SCOPE = 'entity'
@@ -10006,8 +10014,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -10017,8 +10025,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
@@ -10028,8 +10036,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -10039,8 +10047,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -10050,9 +10058,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -10061,7 +10069,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -10070,7 +10078,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -10079,7 +10087,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10088,7 +10096,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -10098,7 +10106,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10107,7 +10115,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -10117,8 +10125,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -10128,8 +10136,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -10138,8 +10146,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10148,8 +10156,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10158,8 +10166,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10168,8 +10176,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10178,8 +10186,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10188,8 +10196,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10198,8 +10206,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -10208,7 +10216,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10217,8 +10225,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10227,8 +10235,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10237,8 +10245,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10247,7 +10255,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10256,7 +10264,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10266,7 +10274,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10276,7 +10284,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10285,7 +10293,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10295,7 +10303,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10304,7 +10312,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10314,7 +10322,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10323,7 +10331,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10333,7 +10341,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10342,7 +10350,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10352,8 +10360,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10362,8 +10370,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10372,8 +10380,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10382,8 +10390,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10392,8 +10400,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10402,8 +10410,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailway_HasObjectType:
     SCOPE = 'entity'
@@ -10412,8 +10420,8 @@ class IfcRailway_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10422,8 +10430,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10432,8 +10440,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10442,8 +10450,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10452,8 +10460,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10462,8 +10470,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10472,8 +10480,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10482,8 +10490,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10495,8 +10503,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10505,8 +10513,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10518,9 +10526,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
@@ -10530,8 +10538,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
     SCOPE = 'entity'
@@ -10540,9 +10548,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10551,8 +10559,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10561,8 +10569,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10572,8 +10580,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10583,10 +10591,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3_rc3.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3_rc3.ifcplane' in typeof(basissurface)) or 'ifc4x3_rc3.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10596,9 +10604,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10608,8 +10616,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10618,8 +10626,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10628,8 +10636,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10638,8 +10646,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10648,8 +10656,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
@@ -10659,8 +10667,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10669,8 +10677,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10679,8 +10687,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10689,8 +10697,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcRelAggregates_NoSelfReference:
@@ -10700,8 +10708,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -10711,8 +10719,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10722,8 +10730,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10732,8 +10740,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10742,8 +10750,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10752,8 +10760,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10762,8 +10770,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10772,8 +10780,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10782,7 +10790,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc3.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc3.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc3.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc3.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10791,7 +10799,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc3.ifcelement', 'ifc4x3_rc3.ifcelementtype', 'ifc4x3_rc3.ifcwindowstyle', 'ifc4x3_rc3.ifcdoorstyle', 'ifc4x3_rc3.ifcstructuralmember', 'ifc4x3_rc3.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc3.ifcelement', 'ifc4x3_rc3.ifcelementtype', 'ifc4x3_rc3.ifcwindowstyle', 'ifc4x3_rc3.ifcdoorstyle', 'ifc4x3_rc3.ifcstructuralmember', 'ifc4x3_rc3.ifcport']) == 0]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10800,8 +10808,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10811,7 +10819,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10821,7 +10829,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10831,8 +10839,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10842,7 +10850,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc3.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10852,8 +10860,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10863,7 +10871,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc3.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc3.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10872,8 +10880,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10883,8 +10891,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10894,8 +10902,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10905,7 +10913,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc3.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3_rc3.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10915,8 +10923,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10926,9 +10934,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10937,9 +10945,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc3.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc3.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc3.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc3.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc3.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc3.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10948,7 +10956,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10958,7 +10966,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3_rc3.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
@@ -10968,8 +10976,8 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
     SCOPE = 'entity'
@@ -10978,12 +10986,12 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -10992,7 +11000,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoad_HasObjectType:
     SCOPE = 'entity'
@@ -11001,8 +11009,8 @@ class IfcRoad_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11011,8 +11019,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11021,8 +11029,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11031,8 +11039,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -11041,11 +11049,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11054,8 +11062,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11064,8 +11072,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11074,8 +11082,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -11084,7 +11092,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -11093,7 +11101,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -11102,8 +11110,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11112,8 +11120,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -11122,7 +11130,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -11132,8 +11140,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -11143,8 +11151,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11153,8 +11161,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
@@ -11164,8 +11172,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
     SCOPE = 'entity'
@@ -11174,8 +11182,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -11187,8 +11195,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11197,8 +11205,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11207,8 +11215,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11217,8 +11225,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11227,8 +11235,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11237,8 +11245,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11247,8 +11255,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11257,7 +11265,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc3.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11266,7 +11274,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3_rc3.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3_rc3.ifcvertexpoint', 'ifc4x3_rc3.ifcedgecurve', 'ifc4x3_rc3.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
@@ -11276,7 +11284,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11285,7 +11293,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11294,7 +11302,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -11306,8 +11314,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11316,8 +11324,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11326,8 +11334,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11336,8 +11344,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11346,8 +11354,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11356,8 +11364,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11366,8 +11374,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11376,8 +11384,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -11386,7 +11394,7 @@ class IfcSlabElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcSlabStandardCase_HasMaterialLayerSetusage:
     SCOPE = 'entity'
@@ -11395,7 +11403,7 @@ class IfcSlabStandardCase_HasMaterialLayerSetusage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11404,8 +11412,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11414,8 +11422,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11424,8 +11432,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11434,8 +11442,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11447,8 +11455,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11457,8 +11465,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11467,8 +11475,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11477,8 +11485,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11487,8 +11495,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11497,8 +11505,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11507,7 +11515,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc3.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc3.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc3.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc3.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11516,8 +11524,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11526,8 +11534,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11536,8 +11544,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11546,8 +11554,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11556,8 +11564,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11566,8 +11574,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11576,8 +11584,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11586,8 +11594,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11596,8 +11604,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11606,8 +11614,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11616,8 +11624,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11626,8 +11634,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -11636,8 +11644,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralAnalysisModel_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11646,8 +11654,8 @@ class IfcStructuralAnalysisModel_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11656,8 +11664,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11666,8 +11674,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11676,8 +11684,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11686,8 +11694,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11696,8 +11704,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11706,8 +11714,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11716,7 +11724,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadlinearforce', 'ifc4x3_rc3.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadlinearforce', 'ifc4x3_rc3.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11725,7 +11733,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11734,7 +11742,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11743,8 +11751,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11754,10 +11762,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11766,7 +11774,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadplanarforce', 'ifc4x3_rc3.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadplanarforce', 'ifc4x3_rc3.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11775,7 +11783,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11784,7 +11792,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadsingleforce', 'ifc4x3_rc3.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadsingleforce', 'ifc4x3_rc3.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11793,7 +11801,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadsingleforce', 'ifc4x3_rc3.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc3.ifcstructuralloadsingleforce', 'ifc4x3_rc3.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11802,8 +11810,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11812,8 +11820,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11822,8 +11830,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11832,8 +11840,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11842,8 +11850,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11852,7 +11860,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11862,7 +11870,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc3.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc3.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11871,8 +11879,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11881,8 +11889,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11894,8 +11902,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11904,7 +11912,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -11917,8 +11925,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -11927,17 +11935,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
     SCOPE = 'entity'
@@ -11946,9 +11954,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
@@ -11958,7 +11966,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -11968,7 +11976,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -11978,7 +11986,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
@@ -11988,7 +11996,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -11997,7 +12005,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -12006,7 +12014,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -12015,7 +12023,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
     SCOPE = 'entity'
@@ -12024,7 +12032,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc3.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -12033,8 +12041,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
     SCOPE = 'entity'
@@ -12043,8 +12051,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -12053,8 +12061,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
@@ -12064,9 +12072,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc3.ifcconic', 'ifc4x3_rc3.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -12076,8 +12084,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -12086,7 +12094,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc3.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3_rc3.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc3.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -12095,8 +12103,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12105,8 +12113,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12115,8 +12123,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12125,8 +12133,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12135,8 +12143,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12145,8 +12153,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12155,8 +12163,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12165,8 +12173,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -12176,8 +12184,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -12187,8 +12195,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -12197,20 +12205,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12219,8 +12227,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12229,8 +12237,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12239,8 +12247,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -12249,7 +12257,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12258,8 +12266,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12268,8 +12276,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12278,12 +12286,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12293,8 +12301,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12303,8 +12311,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12313,8 +12321,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12323,8 +12331,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12333,8 +12341,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12343,8 +12351,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12353,8 +12361,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12363,8 +12371,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12373,8 +12381,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12386,7 +12394,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12396,7 +12404,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc3.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3_rc3.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12405,7 +12413,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc3.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc3.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12414,7 +12422,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12423,7 +12431,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12432,8 +12440,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12443,8 +12451,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12453,8 +12461,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12463,8 +12471,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12473,8 +12481,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12483,8 +12491,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctranformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctranformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12493,8 +12501,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12503,8 +12511,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12513,8 +12521,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12523,11 +12531,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE))))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE))))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12537,7 +12545,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
     SCOPE = 'entity'
@@ -12546,7 +12554,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12556,7 +12564,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
@@ -12566,7 +12574,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc3.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12576,8 +12584,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12586,8 +12594,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12596,8 +12604,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12606,7 +12614,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12615,7 +12623,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12625,7 +12633,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc3.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc3.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12634,8 +12642,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12645,8 +12653,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12656,7 +12664,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12666,8 +12674,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12676,8 +12684,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12686,8 +12694,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12696,8 +12704,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12706,8 +12714,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12716,8 +12724,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12726,8 +12734,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12736,8 +12744,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12746,8 +12754,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12756,12 +12764,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12770,8 +12778,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12780,8 +12788,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12790,8 +12798,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12800,8 +12808,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12810,8 +12818,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12820,8 +12828,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -12830,8 +12838,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12840,8 +12848,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12850,8 +12858,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -12860,7 +12868,7 @@ class IfcWallElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -12869,7 +12877,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc3.ifcrelassociates.relatedobjects') if 'ifc4x3_rc3.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc3.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12878,8 +12886,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12888,8 +12896,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12898,8 +12906,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12908,8 +12916,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectStyleAssigned:
     SCOPE = 'entity'
@@ -12918,8 +12926,8 @@ class IfcWindow_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindow_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12928,8 +12936,8 @@ class IfcWindow_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12938,8 +12946,8 @@ class IfcWindow_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc3.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -12948,8 +12956,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -12959,8 +12967,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -12970,8 +12978,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -12981,7 +12989,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -12990,7 +12998,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc3.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc3.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12999,8 +13007,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13009,8 +13017,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13019,8 +13027,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13029,8 +13037,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -13039,8 +13047,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -13050,19 +13058,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc3.ifczone' in typeof(temp) or 'ifc4x3_rc3.ifcspace' in typeof(temp) or 'ifc4x3_rc3.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc3.ifczone' in typeof(temp) or 'ifc4x3_rc3.ifcspace' in typeof(temp) or 'ifc4x3_rc3.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -13072,11 +13080,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -13090,13 +13098,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -13114,7 +13122,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -13151,11 +13159,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13335,7 +13343,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3_rc3.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3_rc3.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13346,27 +13354,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc3.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc3.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc3.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc3.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc3.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc3.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc3.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -13378,26 +13386,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc3.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc3.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc3.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc3.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc3.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3_rc3.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3_rc3.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc3.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc3.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13406,21 +13414,21 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3_rc3.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc3.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc3.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc3.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3_rc3.ifcgradientcurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc3.ifcsegmentedreferencecurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc3.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc3.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc3.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3_rc3.ifcoffsetcurve3d' in typeof(curve):
@@ -13430,19 +13438,19 @@ def IfcCurveDim(curve):
     if 'ifc4x3_rc3.ifccurvesegment2d' in typeof(curve):
         return 2
     if 'ifc4x3_rc3.ifcpolynomialcurve' in typeof(curve):
-        if not exists(getattr(curve, 'CoefficientsZ', INDETERMINATE)) and getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
+        if not exists(express_getattr(curve, 'CoefficientsZ', INDETERMINATE)) and express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
             return 2
         return 3
     if 'ifc4x3_rc3.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc3.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13450,13 +13458,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -13526,15 +13534,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13543,36 +13551,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3_rc3.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3_rc3.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3_rc3.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcGradient(gradientcurve):
@@ -13592,9 +13600,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13612,10 +13620,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13626,25 +13634,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3_rc3.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3_rc3.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13656,18 +13664,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -13678,32 +13686,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13724,15 +13732,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3_rc3.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13748,71 +13756,71 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3_rc3.ifcpoint', 'ifc4x3_rc3.ifccurve', 'ifc4x3_rc3.ifcgeometriccurveset', 'ifc4x3_rc3.ifcannotationfillarea', 'ifc4x3_rc3.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc3.ifcpoint' in typeof(temp) or 'ifc4x3_rc3.ifccurve' in typeof(temp) or ('ifc4x3_rc3.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3_rc3.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc3.ifcpoint' in typeof(temp) or ('ifc4x3_rc3.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3_rc3.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc3.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc3.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc3.ifctessellateditem', 'ifc4x3_rc3.ifcshellbasedsurfacemodel', 'ifc4x3_rc3.ifcfacebasedsurfacemodel', 'ifc4x3_rc3.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc3.ifctessellateditem', 'ifc4x3_rc3.ifcshellbasedsurfacemodel', 'ifc4x3_rc3.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc3.ifcextrudedareasolid', 'ifc4x3_rc3.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3_rc3.ifcextrudedareasolidtapered', 'ifc4x3_rc3.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc3.ifcsweptareasolid', 'ifc4x3_rc3.ifcsweptdisksolid', 'ifc4x3_rc3.ifcsectionedsolidhorizontal'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc3.ifcbooleanresult', 'ifc4x3_rc3.ifccsgprimitive3d', 'ifc4x3_rc3.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc3.ifccsgsolid', 'ifc4x3_rc3.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13820,9 +13828,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13832,28 +13840,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3_rc3.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3_rc3.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3_rc3.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3_rc3.ifcopenshell' in typeof(temp) or 'ifc4x3_rc3.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -13864,7 +13872,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3_rc3.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3_rc3.ifcpropertysetdefinitionset' in typeof(definition):
@@ -13877,7 +13885,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -13885,7 +13893,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3_rc3.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -13893,41 +13901,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc3.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc3.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13935,31 +13943,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc3.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc3.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC4.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC4.py
index 734d59d4ef..67e6f4c075 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC4.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_RC4.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,5022 +147,5023 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentCantSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-constantcant = getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-lineartransition = getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+constantcant = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+lineartransition = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentHorizontalSegmentTypeEnum = enum_namespace()
-line = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
-circulararc = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-cubic = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-blosscurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+line = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+cubic = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentVerticalSegmentTypeEnum = enum_namespace()
-constantgradient = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
-circulararc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-parabolicarc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+constantgradient = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+parabolicarc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-assumedpoint = getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
-asbuiltarea = getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
-asbuiltline = getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
-non_physical_signal = getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
-assumedline = getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
-widthevent = getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-assumedarea = getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
-superelevationevent = getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-asbuiltpoint = getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assumedpoint = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
+asbuiltarea = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
+asbuiltline = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
+non_physical_signal = express_getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
+assumedline = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
+widthevent = express_getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+assumedarea = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
+superelevationevent = express_getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+asbuiltpoint = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-communicationterminal = getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
-recordingequipment = getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+communicationterminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
+recordingequipment = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeDisplacementEnum = enum_namespace()
-fixed_movement = getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
-guided_longitudinal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
-guided_transversal = getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
-free_movement = getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
+fixed_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FIXED_MOVEMENT', INDETERMINATE)
+guided_longitudinal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_LONGITUDINAL', INDETERMINATE)
+guided_transversal = express_getattr(IfcBearingTypeDisplacementEnum, 'GUIDED_TRANSVERSAL', INDETERMINATE)
+free_movement = express_getattr(IfcBearingTypeDisplacementEnum, 'FREE_MOVEMENT', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeDisplacementEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-reinforcing = getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-prestressing = getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-erosionprevention = getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+reinforcing = express_getattr(IfcBuildingSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+prestressing = express_getattr(IfcBuildingSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuildingSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-intelligentperipheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
-ipnetworkequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
-opticalnetworkunit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-opticallineterminal = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
-linesideelectronicunit = getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
-radioblockcenter = getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+intelligentperipheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
+ipnetworkequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
+opticalnetworkunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+opticallineterminal = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
+linesideelectronicunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
+radioblockcenter = express_getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-pointmachinemountingdevice = getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
-point_machine_locking_device = getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+pointmachinemountingdevice = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
+point_machine_locking_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-dispatchingboard = getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+dispatchingboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-fixedtransmissionnetwork = getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
-operationaltelephonysystem = getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
-mobilenetwork = getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
-monitoringsystem = getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+fixedtransmissionnetwork = express_getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
+operationaltelephonysystem = express_getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
+mobilenetwork = express_getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
+monitoringsystem = express_getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-aluminium_plastic = getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
-plastic = getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcDoorStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcDoorStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcDoorStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+aluminium_plastic = express_getattr(IfcDoorStyleConstructionEnum, 'ALUMINIUM_PLASTIC', INDETERMINATE)
+plastic = express_getattr(IfcDoorStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorStyleOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_door_double_swing = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_door_folding = getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
-userdefined = getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorStyleOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorStyleOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorStyleOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorStyleOperationEnum, 'ROLLINGUP', INDETERMINATE)
+userdefined = express_getattr(IfcDoorStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-double_panel_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING', INDETERMINATE)
-double_panel_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_panel_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-double_panel_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_DOUBLE_SWING', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-double_panel_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SLIDING', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-double_panel_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_FOLDING', INDETERMINATE)
-revolving_horizontal = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_HORIZONTAL', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-double_panel_lifting_vertical = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_LIFTING_VERTICAL', INDETERMINATE)
-lifting_horizontal = getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
-lifting_vertical_left = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
-lifting_vertical_right = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
-revolving_vertical = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+double_panel_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING', INDETERMINATE)
+double_panel_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_panel_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+double_panel_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_DOUBLE_SWING', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+double_panel_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_SLIDING', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+double_panel_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_FOLDING', INDETERMINATE)
+revolving_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_HORIZONTAL', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+double_panel_lifting_vertical = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_PANEL_LIFTING_VERTICAL', INDETERMINATE)
+lifting_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
+lifting_vertical_left = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
+lifting_vertical_right = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
+revolving_vertical = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-firemonitor = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+firemonitor = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-revetment = getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+revetment = express_getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-storagearea = getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+storagearea = express_getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-remoteradiounit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-gateway_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
-subscriberserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
-mobileswitchingcenter = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
-mscserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
-packetcontrolunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
-service_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+remoteradiounit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+gateway_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
+subscriberserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
+mobileswitchingcenter = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
+mscserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
+packetcontrolunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
+service_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectTypeEnum = enum_namespace()
-product = getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
-process = getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
-control = getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
-resource = getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
-actor = getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
-group = getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
-project = getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
-notdefined = getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
+product = express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE)
+process = express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE)
+control = express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE)
+resource = express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE)
+actor = express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE)
+group = express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE)
+project = express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE)
+notdefined = express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPavementTypeEnum = enum_namespace()
-flexible = getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
-rigid = getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
-userdefined = getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexible = express_getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
+rigid = express_getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
+userdefined = express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-trackstructure = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
-trackstructurepart = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
-linesidestructurepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
-dilatationsuperstructure = getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
-plaintracksupestructure = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
-linesidestructure = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-turnoutsuperstructure = getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackstructure = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
+trackstructurepart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
+linesidestructurepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
+dilatationsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
+plaintracksupestructure = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPESTRUCTURE', INDETERMINATE)
+linesidestructure = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+turnoutsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayTypeEnum = enum_namespace()
-userdefined = getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-landmark = getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
-boundary = getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
-intersection = getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
-position = getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+landmark = express_getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
+boundary = express_getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
+intersection = express_getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
+position = express_getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadTypeEnum = enum_namespace()
-userdefined = getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-berth = getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+berth = express_getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-interference = getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+interference = express_getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
 IfcTransportElementFixedTypeEnum = enum_namespace()
-elevator = getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-craneway = getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-haulinggear = getattr(IfcTransportElementFixedTypeEnum, 'HAULINGGEAR', INDETERMINATE)
-userdefined = getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementFixedTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementFixedTypeEnum, 'ESCALATOR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementFixedTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementFixedTypeEnum, 'CRANEWAY', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementFixedTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+haulinggear = express_getattr(IfcTransportElementFixedTypeEnum, 'HAULINGGEAR', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransportElementNonFixedTypeEnum = enum_namespace()
-vehicle = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicletracked = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-rollingstock = getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehiclewheeled = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-vehicleair = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-cargo = getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
-vehiclemarine = getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-userdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
+vehicle = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicletracked = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+rollingstock = express_getattr(IfcTransportElementNonFixedTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+vehicleair = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+cargo = express_getattr(IfcTransportElementNonFixedTypeEnum, 'CARGO', INDETERMINATE)
+vehiclemarine = express_getattr(IfcTransportElementNonFixedTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementNonFixedTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-basestationcontroller = getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+basestationcontroller = express_getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleConstructionEnum = enum_namespace()
-aluminium = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
-high_grade_steel = getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
-steel = getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
-wood = getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
-aluminium_wood = getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
-plastic = getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
-other_construction = getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+aluminium = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM', INDETERMINATE)
+high_grade_steel = express_getattr(IfcWindowStyleConstructionEnum, 'HIGH_GRADE_STEEL', INDETERMINATE)
+steel = express_getattr(IfcWindowStyleConstructionEnum, 'STEEL', INDETERMINATE)
+wood = express_getattr(IfcWindowStyleConstructionEnum, 'WOOD', INDETERMINATE)
+aluminium_wood = express_getattr(IfcWindowStyleConstructionEnum, 'ALUMINIUM_WOOD', INDETERMINATE)
+plastic = express_getattr(IfcWindowStyleConstructionEnum, 'PLASTIC', INDETERMINATE)
+other_construction = express_getattr(IfcWindowStyleConstructionEnum, 'OTHER_CONSTRUCTION', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowStyleOperationEnum = enum_namespace()
-single_panel = getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowStyleOperationEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowStyleOperationEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowStyleOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowStyleOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3_RC4')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignmentCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCant', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCant', *args, **kwargs)
 
 def IfcAlignmentCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCantSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCantSegment', *args, **kwargs)
 
 def IfcAlignmentHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontal', *args, **kwargs)
 
 def IfcAlignmentHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontalSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontalSegment', *args, **kwargs)
 
 def IfcAlignmentParameterSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentParameterSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentParameterSegment', *args, **kwargs)
 
 def IfcAlignmentSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentSegment', *args, **kwargs)
 
 def IfcAlignmentVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVertical', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVertical', *args, **kwargs)
 
 def IfcAlignmentVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVerticalSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVerticalSegment', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxis2PlacementLinear(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2PlacementLinear', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2PlacementLinear', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamStandardCase', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcClothoid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClothoid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcClothoid', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnStandardCase', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCosine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCosine', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCosine', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDerivedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStandardCase', *args, **kwargs)
 
 def IfcDoorStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorStyle', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGradientCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGradientCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGradientCurve', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLinearElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearElement', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberStandardCase', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOpeningStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningStandardCase', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlant', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlant', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateStandardCase', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointByDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointByDistanceExpression', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPointByDistanceExpression', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPolynomialCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolynomialCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPolynomialCurve', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProxy', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcProxy', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAdheresToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAdheresToElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAdheresToElement', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSecondOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSecondOrderPolynomialSpiral', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSecondOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSegment', *args, **kwargs)
 
 def IfcSegmentedReferenceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegmentedReferenceCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSegmentedReferenceCurve', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcSeventhOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeventhOrderPolynomialSpiral', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSeventhOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSine', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSine', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabElementedCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabElementedCase', *args, **kwargs)
 
 def IfcSlabStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabStandardCase', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSolidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidStratum', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidStratum', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpiral', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSpiral', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcThirdOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcThirdOrderPolynomialSpiral', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcThirdOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidStratum', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidStratum', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallElementedCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallElementedCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWallElementedCase', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWaterStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWaterStratum', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWaterStratum', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStandardCase', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStandardCase', *args, **kwargs)
 
 def IfcWindowStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowStyle', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowStyle', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3_RC4', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5164,7 +5172,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5245,7 +5253,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5254,7 +5262,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5263,7 +5271,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5362,7 +5370,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5371,7 +5379,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5380,7 +5388,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5389,8 +5397,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5399,8 +5407,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5409,8 +5417,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5419,8 +5427,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5429,8 +5437,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5439,7 +5447,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc4.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc4.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5448,8 +5456,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc4.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_rc4.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5458,7 +5466,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc4.ifcelementarysurface', 'ifc4x3_rc4.ifcsweptsurface', 'ifc4x3_rc4.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc4.ifcelementarysurface', 'ifc4x3_rc4.ifcsweptsurface', 'ifc4x3_rc4.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5467,7 +5475,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc4.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc4.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc4.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_rc4.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5476,7 +5484,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc4.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc4.ifcline', 'ifc4x3_rc4.ifcconic', 'ifc4x3_rc4.ifcpolyline', 'ifc4x3_rc4.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_rc4.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_rc4.ifcline', 'ifc4x3_rc4.ifcconic', 'ifc4x3_rc4.ifcpolyline', 'ifc4x3_rc4.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5485,8 +5493,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5495,8 +5503,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5505,8 +5513,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5515,8 +5523,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5525,8 +5533,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5535,8 +5543,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5545,8 +5553,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5555,8 +5563,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5565,8 +5573,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5575,8 +5583,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5585,8 +5593,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5595,8 +5603,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5605,8 +5613,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5616,8 +5624,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5626,7 +5634,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5636,7 +5644,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5646,7 +5654,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3_rc4.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5655,8 +5663,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5665,7 +5673,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5674,8 +5682,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5684,7 +5692,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3_rc4.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5694,9 +5702,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5706,9 +5714,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5718,9 +5726,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5730,9 +5738,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5742,8 +5750,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5752,8 +5760,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5762,8 +5770,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5772,8 +5780,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5782,7 +5790,7 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIsCP:
     SCOPE = 'entity'
@@ -5791,10 +5799,10 @@ class IfcAxis1Placement_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc4.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_RefDirIs2D:
@@ -5804,8 +5812,8 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIs2D:
     SCOPE = 'entity'
@@ -5814,7 +5822,7 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIsCP:
     SCOPE = 'entity'
@@ -5823,10 +5831,10 @@ class IfcAxis2Placement2D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc4.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_LocationIs3D:
@@ -5836,7 +5844,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
     SCOPE = 'entity'
@@ -5845,8 +5853,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5855,8 +5863,8 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5865,9 +5873,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
     SCOPE = 'entity'
@@ -5876,8 +5884,8 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 class IfcAxis2Placement3D_LocationIsCP:
@@ -5887,11 +5895,11 @@ class IfcAxis2Placement3D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc4.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcAxis2PlacementLinear_WR1:
@@ -5901,7 +5909,7 @@ class IfcAxis2PlacementLinear_WR1:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifcpointbydistanceexpression' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc4.ifcpointbydistanceexpression' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2PlacementLinear_WR2:
     SCOPE = 'entity'
@@ -5910,9 +5918,9 @@ class IfcAxis2PlacementLinear_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcBSplineCurve_SameDim:
     SCOPE = 'entity'
@@ -5921,16 +5929,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5940,11 +5948,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5954,26 +5962,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5983,10 +5991,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5995,10 +6003,10 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
     SCOPE = 'entity'
@@ -6007,8 +6015,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -6018,16 +6026,16 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -6037,8 +6045,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6047,8 +6055,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6057,7 +6065,7 @@ class IfcBeamStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6066,8 +6074,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6076,8 +6084,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6086,8 +6094,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6096,8 +6104,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
     SCOPE = 'entity'
@@ -6106,7 +6114,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6115,7 +6123,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBoiler_CorrectPredefinedType:
@@ -6125,8 +6133,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6135,8 +6143,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6145,8 +6153,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6155,7 +6163,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3_rc4.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3_rc4.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3_rc4.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6165,7 +6173,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3_rc4.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6175,7 +6183,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanResult_SameDim:
@@ -6185,9 +6193,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
     SCOPE = 'entity'
@@ -6196,8 +6204,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc4.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc4.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6206,12 +6214,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3_rc4.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3_rc4.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6220,7 +6228,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6232,7 +6240,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3_rc4.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3_rc4.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBridge_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6241,8 +6249,8 @@ class IfcBridge_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6251,8 +6259,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6261,8 +6269,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6271,8 +6279,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6281,7 +6289,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6290,8 +6298,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6300,8 +6308,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6310,8 +6318,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6320,7 +6328,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6329,8 +6337,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6339,8 +6347,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6349,8 +6357,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6359,8 +6367,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6369,8 +6377,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6380,10 +6388,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6393,9 +6401,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6405,8 +6413,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6415,8 +6423,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6425,8 +6433,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6435,8 +6443,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6445,8 +6453,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6455,8 +6463,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6465,8 +6473,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6475,8 +6483,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6485,8 +6493,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6495,8 +6503,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6505,8 +6513,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6515,8 +6523,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6525,8 +6533,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6535,8 +6543,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6545,8 +6553,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6555,11 +6563,11 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPoint_Dim(self):
-    coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+    coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
     return hiindex(coordinates)
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6572,16 +6580,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6590,7 +6598,7 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6599,7 +6607,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6608,10 +6616,10 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6620,12 +6628,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6634,7 +6642,7 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6643,7 +6651,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6652,7 +6660,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6661,12 +6669,12 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6675,7 +6683,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6685,16 +6693,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6703,8 +6711,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6713,8 +6721,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6723,8 +6731,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6733,8 +6741,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6743,8 +6751,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6753,8 +6761,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6763,8 +6771,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6773,8 +6781,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6783,8 +6791,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6793,8 +6801,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6803,8 +6811,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6813,8 +6821,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -6823,7 +6831,7 @@ class IfcColumnStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6832,8 +6840,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6842,8 +6850,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6852,8 +6860,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6862,8 +6870,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6872,7 +6880,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6882,7 +6890,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6892,7 +6900,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6902,7 +6910,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6912,9 +6920,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6923,17 +6931,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6942,7 +6950,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6955,12 +6963,12 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3_rc4.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 def calc_IfcCompositeCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCompositeProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -6969,8 +6977,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6979,7 +6987,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3_rc4.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6989,8 +6997,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6999,8 +7007,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7009,8 +7017,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7019,8 +7027,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7029,8 +7037,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7039,8 +7047,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -7049,8 +7057,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7059,8 +7067,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7069,8 +7077,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7079,8 +7087,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7089,8 +7097,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7099,8 +7107,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7109,8 +7117,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7119,8 +7127,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7129,8 +7137,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7139,8 +7147,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7149,8 +7157,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7159,8 +7167,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7169,8 +7177,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7179,8 +7187,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7189,8 +7197,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7199,8 +7207,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7209,8 +7217,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7219,8 +7227,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7229,8 +7237,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7239,8 +7247,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7249,8 +7257,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7259,8 +7267,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7269,8 +7277,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7279,8 +7287,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7289,8 +7297,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7299,8 +7307,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7309,8 +7317,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7322,8 +7330,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7332,8 +7340,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7342,15 +7350,15 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
 
 def calc_IfcCurveSegment_Dim(self):
-    parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
-    return getattr(parentcurve, 'Dim', INDETERMINATE)
+    parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
+    return express_getattr(parentcurve, 'Dim', INDETERMINATE)
 
 class IfcCurveStyle_MeasureOfWidth:
     SCOPE = 'entity'
@@ -7359,7 +7367,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3_rc4.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3_rc4.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyle_IdentifiableCurveStyle:
@@ -7369,9 +7377,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7381,7 +7389,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7391,8 +7399,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7401,8 +7409,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7411,8 +7419,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7421,8 +7429,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7431,8 +7439,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7441,8 +7449,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7451,11 +7459,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7465,11 +7473,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7479,9 +7487,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc4.ifcconic', 'ifc4x3_rc4.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7491,8 +7499,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7501,8 +7509,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7511,8 +7519,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7521,8 +7529,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7531,8 +7539,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7541,8 +7549,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7551,8 +7559,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7561,8 +7569,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7571,8 +7579,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7581,8 +7589,8 @@ class IfcDistributionSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7591,8 +7599,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectStyleAssigned:
@@ -7602,8 +7610,8 @@ class IfcDoor_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7612,8 +7620,8 @@ class IfcDoor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDoor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7622,8 +7630,8 @@ class IfcDoor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7632,8 +7640,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7643,8 +7651,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7654,8 +7662,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7665,8 +7673,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7676,7 +7684,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7685,7 +7693,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcdoorstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcdoorstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7694,8 +7702,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7704,7 +7712,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7713,7 +7721,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7722,8 +7730,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7732,8 +7740,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7742,8 +7750,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7752,8 +7760,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7762,8 +7770,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7772,8 +7780,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7782,8 +7790,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7792,8 +7800,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7802,8 +7810,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7812,8 +7820,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7822,8 +7830,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7832,9 +7840,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7846,7 +7854,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7856,8 +7864,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7866,8 +7874,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7876,8 +7884,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7886,8 +7894,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7896,8 +7904,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7906,8 +7914,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7916,8 +7924,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7926,8 +7934,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7936,8 +7944,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7946,8 +7954,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7956,8 +7964,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7966,8 +7974,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7976,8 +7984,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7986,8 +7994,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7996,8 +8004,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8006,8 +8014,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8016,8 +8024,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8026,8 +8034,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8036,8 +8044,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8046,8 +8054,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8056,8 +8064,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8066,8 +8074,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8076,8 +8084,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8086,8 +8094,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -8096,7 +8104,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -8106,8 +8114,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8116,8 +8124,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8126,8 +8134,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8136,8 +8144,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8146,8 +8154,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8156,8 +8164,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8166,8 +8174,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8176,8 +8184,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8186,8 +8194,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8196,8 +8204,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8206,9 +8214,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8217,8 +8225,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8227,9 +8235,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8238,9 +8246,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8250,7 +8258,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8259,7 +8267,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8268,7 +8276,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3_rc4.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8281,8 +8289,8 @@ class IfcFacilityPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert ((predefinedtype != getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype != getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype != getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) or ((predefinedtype == getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype == getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert ((predefinedtype != express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype != express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype != express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) or ((predefinedtype == express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)) or (predefinedtype == express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE))) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8291,8 +8299,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8301,8 +8309,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8311,8 +8319,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8321,8 +8329,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8331,8 +8339,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8341,8 +8349,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElement_NotContained:
     SCOPE = 'entity'
@@ -8351,7 +8359,7 @@ class IfcFeatureElement_NotContained:
 
     @staticmethod
     def __call__(self):
-        containedinstructure = getattr(self, 'ContainedInStructure', INDETERMINATE)
+        containedinstructure = express_getattr(self, 'ContainedInStructure', INDETERMINATE)
         assert (sizeof(containedinstructure) == 0) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
@@ -8361,7 +8369,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8370,7 +8378,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8379,7 +8387,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc4.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc4.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8388,7 +8396,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc4.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_rc4.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8397,7 +8405,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8406,8 +8414,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8416,8 +8424,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8426,8 +8434,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8436,8 +8444,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8446,8 +8454,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8456,8 +8464,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8466,8 +8474,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8476,8 +8484,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8486,8 +8494,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8496,8 +8504,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8506,8 +8514,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8516,8 +8524,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8526,8 +8534,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8536,8 +8544,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8546,8 +8554,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8556,8 +8564,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8566,8 +8574,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8576,8 +8584,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8586,8 +8594,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8596,8 +8604,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8606,8 +8614,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8616,8 +8624,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8626,8 +8634,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8636,7 +8644,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc4.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_rc4.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8645,8 +8653,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8655,7 +8663,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8665,9 +8673,9 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8676,23 +8684,23 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8701,12 +8709,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 def calc_IfcGradientCurve_RelativeElevation(self):
     return IfcGradient(self)
@@ -8718,8 +8726,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8728,9 +8736,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8743,8 +8751,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8753,8 +8761,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8763,8 +8771,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8773,8 +8781,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8783,8 +8791,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8793,8 +8801,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -8803,8 +8811,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8814,8 +8822,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
@@ -8825,11 +8833,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8839,8 +8847,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8849,8 +8857,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8859,8 +8867,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert ((predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert ((predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8869,7 +8877,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8879,8 +8887,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8889,8 +8897,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8899,8 +8907,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8909,7 +8917,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8918,7 +8926,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8927,8 +8935,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8937,8 +8945,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8947,8 +8955,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8957,9 +8965,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8969,8 +8977,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8979,8 +8987,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8989,8 +8997,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8999,8 +9007,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9009,8 +9017,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9019,8 +9027,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9029,8 +9037,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9039,8 +9047,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -9049,9 +9057,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9060,8 +9068,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9070,8 +9078,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9080,8 +9088,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -9090,8 +9098,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
@@ -9101,8 +9109,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -9111,7 +9119,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc4.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -9121,7 +9129,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -9134,7 +9142,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -9144,8 +9152,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9154,8 +9162,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9164,8 +9172,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9174,8 +9182,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9184,8 +9192,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9194,8 +9202,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9204,8 +9212,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9214,8 +9222,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberStandardCase_HasMaterialProfileSetUsage:
     SCOPE = 'entity'
@@ -9224,7 +9232,7 @@ class IfcMemberStandardCase_HasMaterialProfileSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmaterialprofilesetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmaterialprofilesetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9233,8 +9241,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9246,8 +9254,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9256,8 +9264,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9266,8 +9274,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9276,8 +9284,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9286,8 +9294,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9296,8 +9304,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9306,8 +9314,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9316,8 +9324,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9326,8 +9334,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9336,7 +9344,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9345,8 +9353,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9355,8 +9363,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9365,8 +9373,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9375,7 +9383,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9385,8 +9393,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9395,8 +9403,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9405,8 +9413,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9415,8 +9423,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9425,7 +9433,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9434,8 +9442,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9445,8 +9453,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOpeningElement_CorrectPredefinedType:
@@ -9456,8 +9464,8 @@ class IfcOpeningElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -9466,18 +9474,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9486,8 +9494,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9496,8 +9504,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9506,8 +9514,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9516,9 +9524,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9536,8 +9544,8 @@ class IfcPavement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPavement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9546,8 +9554,8 @@ class IfcPavement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpavementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpavementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPavementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9556,8 +9564,8 @@ class IfcPavementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPcurve_DimIs2D:
     SCOPE = 'entity'
@@ -9566,8 +9574,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9576,9 +9584,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9588,9 +9596,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9600,7 +9608,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9610,7 +9618,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9620,8 +9628,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9630,8 +9638,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9640,8 +9648,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9650,8 +9658,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9660,8 +9668,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9670,8 +9678,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9680,8 +9688,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9690,8 +9698,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9700,8 +9708,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9710,7 +9718,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9720,7 +9728,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9730,7 +9738,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9740,9 +9748,9 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9752,12 +9760,12 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9766,8 +9774,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9776,8 +9784,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -9786,7 +9794,7 @@ class IfcPlateStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9795,20 +9803,20 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPointByDistanceExpression_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnCurve_Dim(self):
-    basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-    return getattr(basiscurve, 'Dim', INDETERMINATE)
+    basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+    return express_getattr(basiscurve, 'Dim', INDETERMINATE)
 
 def calc_IfcPointOnSurface_Dim(self):
-    basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-    return getattr(basissurface, 'Dim', INDETERMINATE)
+    basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+    return express_getattr(basissurface, 'Dim', INDETERMINATE)
 
 class IfcPolyLoop_AllPointsSameDim:
     SCOPE = 'entity'
@@ -9817,8 +9825,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9827,8 +9835,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9837,7 +9845,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3_rc4.ifcpolyline', 'ifc4x3_rc4.ifccompositecurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9847,8 +9855,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolynomialCurve_ValidCoefficients:
     SCOPE = 'entity'
@@ -9857,9 +9865,9 @@ class IfcPolynomialCurve_ValidCoefficients:
 
     @staticmethod
     def __call__(self):
-        coefficientsx = getattr(self, 'CoefficientsX', INDETERMINATE)
-        coefficientsy = getattr(self, 'CoefficientsY', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
+        coefficientsx = express_getattr(self, 'CoefficientsX', INDETERMINATE)
+        coefficientsy = express_getattr(self, 'CoefficientsY', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
         assert (exists(coefficientsx) and exists(coefficientsy) or (exists(coefficientsx) and exists(coefficientsz)) or (exists(coefficientsy) and exists(coefficientsz)) or (exists(coefficientsx) and exists(coefficientsy) and exists(coefficientsz))) is not False
 
 class IfcPolynomialCurve_CorrectPositionDim:
@@ -9869,9 +9877,9 @@ class IfcPolynomialCurve_CorrectPositionDim:
 
     @staticmethod
     def __call__(self):
-        position = getattr(self, 'Position', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
-        assert (getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or getattr(position, 'Dim', INDETERMINATE) == 3) is not False
+        position = express_getattr(self, 'Position', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
+        assert (express_getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or express_getattr(position, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcPositioningElement_HasPlacement:
     SCOPE = 'entity'
@@ -9880,7 +9888,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9889,13 +9897,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9905,7 +9913,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc4.ifcshaperepresentation', 'ifc4x3_rc4.ifcgeometricrepresentationitem', 'ifc4x3_rc4.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9915,7 +9923,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_rc4.ifcgeometricrepresentationitem', 'ifc4x3_rc4.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_HasName:
@@ -9925,7 +9933,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9934,8 +9942,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9944,8 +9952,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9954,9 +9962,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc4.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_rc4.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9965,7 +9973,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_rc4.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
@@ -9975,7 +9983,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_CorrectContext:
     SCOPE = 'entity'
@@ -9984,7 +9992,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc4.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_rc4.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -9993,7 +10001,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -10002,8 +10010,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcProjectionElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10012,8 +10020,8 @@ class IfcProjectionElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
     SCOPE = 'entity'
@@ -10022,8 +10030,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -10033,8 +10041,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
@@ -10044,8 +10052,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -10055,8 +10063,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -10066,9 +10074,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -10077,7 +10085,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -10086,7 +10094,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -10095,7 +10103,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10104,7 +10112,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -10114,7 +10122,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10123,7 +10131,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -10133,8 +10141,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -10144,8 +10152,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -10154,8 +10162,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10164,8 +10172,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10174,8 +10182,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10184,8 +10192,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10194,8 +10202,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10204,8 +10212,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10214,8 +10222,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProxy_WR1:
     SCOPE = 'entity'
@@ -10224,7 +10232,7 @@ class IfcProxy_WR1:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10233,8 +10241,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10243,8 +10251,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10253,8 +10261,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10263,7 +10271,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10272,7 +10280,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10282,7 +10290,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0.0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10292,7 +10300,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10301,7 +10309,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10311,7 +10319,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10320,7 +10328,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10330,7 +10338,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10339,7 +10347,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10349,7 +10357,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10358,7 +10366,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10368,8 +10376,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10378,8 +10386,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10388,8 +10396,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10398,8 +10406,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10408,8 +10416,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10418,8 +10426,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailway_HasObjectType:
     SCOPE = 'entity'
@@ -10428,8 +10436,8 @@ class IfcRailway_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10438,8 +10446,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10448,8 +10456,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10458,8 +10466,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10468,8 +10476,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10478,8 +10486,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10488,8 +10496,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10498,8 +10506,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10511,8 +10519,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10521,8 +10529,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10534,9 +10542,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
@@ -10546,8 +10554,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
     SCOPE = 'entity'
@@ -10556,9 +10564,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10567,8 +10575,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10577,8 +10585,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10588,8 +10596,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10599,10 +10607,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3_rc4.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3_rc4.ifcplane' in typeof(basissurface)) or 'ifc4x3_rc4.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10612,9 +10620,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10624,8 +10632,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10634,8 +10642,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10644,8 +10652,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10654,8 +10662,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10664,8 +10672,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
@@ -10675,8 +10683,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10685,8 +10693,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10695,8 +10703,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10705,8 +10713,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcRelAggregates_NoSelfReference:
@@ -10716,8 +10724,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssigns_WR1:
@@ -10727,8 +10735,8 @@ class IfcRelAssigns_WR1:
 
     @staticmethod
     def __call__(self):
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
-        relatedobjectstype = getattr(self, 'RelatedObjectsType', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatedobjectstype = express_getattr(self, 'RelatedObjectsType', INDETERMINATE)
         assert IfcCorrectObjectAssignment(relatedobjectstype, relatedobjects) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10738,8 +10746,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10748,8 +10756,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10758,8 +10766,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10768,8 +10776,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10778,8 +10786,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10788,8 +10796,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10798,7 +10806,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc4.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc4.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc4.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_rc4.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10807,7 +10815,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc4.ifcelement', 'ifc4x3_rc4.ifcelementtype', 'ifc4x3_rc4.ifcwindowstyle', 'ifc4x3_rc4.ifcdoorstyle', 'ifc4x3_rc4.ifcstructuralmember', 'ifc4x3_rc4.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_rc4.ifcelement', 'ifc4x3_rc4.ifcelementtype', 'ifc4x3_rc4.ifcwindowstyle', 'ifc4x3_rc4.ifcdoorstyle', 'ifc4x3_rc4.ifcstructuralmember', 'ifc4x3_rc4.ifcport']) == 0]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10816,8 +10824,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10827,7 +10835,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10837,7 +10845,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10847,8 +10855,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10858,7 +10866,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc4.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10868,8 +10876,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10879,7 +10887,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc4.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_rc4.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10888,8 +10896,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10899,8 +10907,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10910,8 +10918,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10921,7 +10929,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_rc4.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3_rc4.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10931,8 +10939,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10942,9 +10950,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10953,9 +10961,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc4.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc4.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc4.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_rc4.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_rc4.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_rc4.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10964,7 +10972,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10974,7 +10982,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3_rc4.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
@@ -10984,8 +10992,8 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
     SCOPE = 'entity'
@@ -10994,12 +11002,12 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -11008,7 +11016,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoad_HasObjectType:
     SCOPE = 'entity'
@@ -11017,8 +11025,8 @@ class IfcRoad_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11027,8 +11035,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11037,8 +11045,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11047,8 +11055,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -11057,11 +11065,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSiUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSiUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11070,8 +11078,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11080,8 +11088,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11090,8 +11098,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -11100,7 +11108,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -11109,7 +11117,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -11118,8 +11126,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11128,8 +11136,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -11138,7 +11146,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -11148,8 +11156,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -11159,8 +11167,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11169,8 +11177,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
@@ -11180,8 +11188,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
     SCOPE = 'entity'
@@ -11190,8 +11198,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -11203,8 +11211,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11213,8 +11221,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11223,8 +11231,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11233,8 +11241,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11243,8 +11251,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11253,8 +11261,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11263,8 +11271,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11273,7 +11281,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3_rc4.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11282,7 +11290,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3_rc4.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3_rc4.ifcvertexpoint', 'ifc4x3_rc4.ifcedgecurve', 'ifc4x3_rc4.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
@@ -11292,7 +11300,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11301,7 +11309,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11310,7 +11318,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
     return 3
@@ -11322,8 +11330,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11332,8 +11340,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11342,8 +11350,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11352,8 +11360,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11362,8 +11370,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11372,8 +11380,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11382,8 +11390,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11392,8 +11400,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -11402,7 +11410,7 @@ class IfcSlabElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcSlabStandardCase_HasMaterialLayerSetusage:
     SCOPE = 'entity'
@@ -11411,7 +11419,7 @@ class IfcSlabStandardCase_HasMaterialLayerSetusage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11420,8 +11428,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11430,8 +11438,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11440,8 +11448,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11450,8 +11458,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11463,8 +11471,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11473,8 +11481,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11483,8 +11491,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11493,8 +11501,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11503,8 +11511,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11513,8 +11521,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11523,7 +11531,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc4.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc4.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_rc4.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_rc4.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11532,8 +11540,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11542,8 +11550,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11552,8 +11560,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11562,8 +11570,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11572,8 +11580,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11582,8 +11590,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11592,8 +11600,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11602,8 +11610,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11612,8 +11620,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11622,8 +11630,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11632,8 +11640,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11642,8 +11650,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_HasObjectType:
     SCOPE = 'entity'
@@ -11652,8 +11660,8 @@ class IfcStructuralAnalysisModel_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralAnalysisModel_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11662,8 +11670,8 @@ class IfcStructuralAnalysisModel_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11672,8 +11680,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11682,8 +11690,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11692,8 +11700,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11702,8 +11710,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11712,8 +11720,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11722,8 +11730,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11732,7 +11740,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadlinearforce', 'ifc4x3_rc4.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadlinearforce', 'ifc4x3_rc4.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11741,7 +11749,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11750,7 +11758,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11759,8 +11767,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11770,10 +11778,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11782,7 +11790,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadplanarforce', 'ifc4x3_rc4.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadplanarforce', 'ifc4x3_rc4.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11791,7 +11799,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11800,7 +11808,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadsingleforce', 'ifc4x3_rc4.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadsingleforce', 'ifc4x3_rc4.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11809,7 +11817,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadsingleforce', 'ifc4x3_rc4.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_rc4.ifcstructuralloadsingleforce', 'ifc4x3_rc4.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11818,8 +11826,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11828,8 +11836,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11838,8 +11846,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11848,8 +11856,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11858,8 +11866,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11868,7 +11876,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11878,7 +11886,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc4.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc4.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11887,8 +11895,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11897,8 +11905,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11910,8 +11918,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11920,7 +11928,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -11933,8 +11941,8 @@ class IfcSurfaceFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -11943,17 +11951,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
     SCOPE = 'entity'
@@ -11962,9 +11970,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
@@ -11974,7 +11982,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -11984,7 +11992,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -11994,7 +12002,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
@@ -12004,7 +12012,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -12013,7 +12021,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -12022,7 +12030,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -12031,7 +12039,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
     SCOPE = 'entity'
@@ -12040,7 +12048,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_rc4.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -12049,8 +12057,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
     SCOPE = 'entity'
@@ -12059,8 +12067,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -12069,8 +12077,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
@@ -12080,9 +12088,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_rc4.ifcconic', 'ifc4x3_rc4.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -12092,8 +12100,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -12102,7 +12110,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc4.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3_rc4.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_rc4.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -12111,8 +12119,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12121,8 +12129,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12131,8 +12139,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12141,8 +12149,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12151,8 +12159,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12161,8 +12169,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12171,8 +12179,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12181,8 +12189,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -12192,8 +12200,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -12203,8 +12211,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -12213,20 +12221,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12235,8 +12243,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12245,8 +12253,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12255,8 +12263,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -12265,7 +12273,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12274,8 +12282,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12284,8 +12292,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12294,12 +12302,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12309,8 +12317,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12319,8 +12327,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12329,8 +12337,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12339,8 +12347,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12349,8 +12357,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12359,8 +12367,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12369,8 +12377,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12379,8 +12387,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12389,8 +12397,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12402,7 +12410,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12412,7 +12420,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_rc4.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3_rc4.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12421,7 +12429,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc4.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_rc4.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12430,7 +12438,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12439,7 +12447,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12448,8 +12456,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12459,8 +12467,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12469,8 +12477,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12479,8 +12487,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12489,8 +12497,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12499,8 +12507,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctranformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctranformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12509,8 +12517,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12519,8 +12527,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) or ((predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE)) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12529,8 +12537,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12539,11 +12547,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE))))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and predefinedtype != express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementFixedTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementNonFixedTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE))))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12553,7 +12561,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
     SCOPE = 'entity'
@@ -12562,7 +12570,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12572,7 +12580,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
@@ -12582,7 +12590,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3_rc4.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12592,8 +12600,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12602,8 +12610,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12612,8 +12620,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12622,7 +12630,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12631,7 +12639,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12641,7 +12649,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc4.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_rc4.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12650,8 +12658,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12661,8 +12669,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12672,7 +12680,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12682,8 +12690,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12692,8 +12700,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12702,8 +12710,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12712,8 +12720,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12722,8 +12730,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12732,8 +12740,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12742,8 +12750,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12752,8 +12760,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12762,8 +12770,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12772,12 +12780,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12786,8 +12794,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12796,8 +12804,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12806,8 +12814,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12816,8 +12824,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12826,8 +12834,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12836,8 +12844,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_HasObjectType:
     SCOPE = 'entity'
@@ -12846,8 +12854,8 @@ class IfcVoidingFeature_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12856,8 +12864,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12866,8 +12874,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallElementedCase_HasDecomposition:
     SCOPE = 'entity'
@@ -12876,7 +12884,7 @@ class IfcWallElementedCase_HasDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
+        assert (hiindex(express_getattr(self, 'IsDecomposedBy', INDETERMINATE)) > 0) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -12885,7 +12893,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_rc4.ifcrelassociates.relatedobjects') if 'ifc4x3_rc4.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_rc4.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12894,8 +12902,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12904,8 +12912,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12914,8 +12922,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12924,8 +12932,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectStyleAssigned:
     SCOPE = 'entity'
@@ -12934,8 +12942,8 @@ class IfcWindow_CorrectStyleAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindow_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12944,8 +12952,8 @@ class IfcWindow_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12954,8 +12962,8 @@ class IfcWindow_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_rc4.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -12964,8 +12972,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -12975,8 +12983,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -12986,8 +12994,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -12997,7 +13005,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -13006,7 +13014,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcwindowstyle' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_rc4.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or 'ifc4x3_rc4.ifcwindowstyle' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13015,8 +13023,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13025,8 +13033,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13035,8 +13043,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13045,8 +13053,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -13055,8 +13063,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -13066,19 +13074,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc4.ifczone' in typeof(temp) or 'ifc4x3_rc4.ifcspace' in typeof(temp) or 'ifc4x3_rc4.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_rc4.ifczone' in typeof(temp) or 'ifc4x3_rc4.ifcspace' in typeof(temp) or 'ifc4x3_rc4.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -13088,11 +13096,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -13106,13 +13114,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -13130,7 +13138,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -13167,11 +13175,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13351,7 +13359,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3_rc4.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3_rc4.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13362,27 +13370,27 @@ def IfcCorrectObjectAssignment(constraint, objects):
     count = 0
     if not exists(constraint):
         return True
-    if constraint == getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
+    if constraint == express_getattr(IfcObjectTypeEnum, 'NOTDEFINED', INDETERMINATE):
         return True
-    elif constraint == getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PRODUCT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc4.ifcproduct' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROCESS', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc4.ifcprocess' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'CONTROL', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc4.ifccontrol' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'RESOURCE', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc4.ifcresource' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'ACTOR', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc4.ifcactor' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'GROUP', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc4.ifcgroup' in typeof(temp)])
         return count == 0
-    elif constraint == getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
+    elif constraint == express_getattr(IfcObjectTypeEnum, 'PROJECT', INDETERMINATE):
         count = sizeof([temp for temp in objects if not 'ifc4x3_rc4.ifcproject' in typeof(temp)])
         return count == 0
     else:
@@ -13394,26 +13402,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc4.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc4.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc4.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc4.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3_rc4.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3_rc4.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3_rc4.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc4.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_rc4.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13422,21 +13430,21 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3_rc4.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc4.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc4.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc4.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3_rc4.ifcgradientcurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc4.ifcsegmentedreferencecurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc4.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc4.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_rc4.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3_rc4.ifcoffsetcurve3d' in typeof(curve):
@@ -13446,19 +13454,19 @@ def IfcCurveDim(curve):
     if 'ifc4x3_rc4.ifccurvesegment2d' in typeof(curve):
         return 2
     if 'ifc4x3_rc4.ifcpolynomialcurve' in typeof(curve):
-        if not exists(getattr(curve, 'CoefficientsZ', INDETERMINATE)) and getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
+        if not exists(express_getattr(curve, 'CoefficientsZ', INDETERMINATE)) and express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
             return 2
         return 3
     if 'ifc4x3_rc4.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3_rc4.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13466,13 +13474,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSiUnit(n):
@@ -13542,15 +13550,15 @@ def IfcDimensionsForSiUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13559,36 +13567,36 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3_rc4.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3_rc4.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3_rc4.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcGradient(gradientcurve):
@@ -13608,9 +13616,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13628,10 +13636,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13642,25 +13650,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3_rc4.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3_rc4.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13672,18 +13680,18 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointListDim(pointlist):
@@ -13694,32 +13702,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap1, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap1, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13740,15 +13748,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3_rc4.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13764,71 +13772,71 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3_rc4.ifcpoint', 'ifc4x3_rc4.ifccurve', 'ifc4x3_rc4.ifcgeometriccurveset', 'ifc4x3_rc4.ifcannotationfillarea', 'ifc4x3_rc4.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc4.ifcpoint' in typeof(temp) or 'ifc4x3_rc4.ifccurve' in typeof(temp) or ('ifc4x3_rc4.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3_rc4.ifcgeometricset' in typeof(temp) or 'ifc4x3_rc4.ifcpoint' in typeof(temp) or ('ifc4x3_rc4.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3_rc4.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc4.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_rc4.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc4.ifctessellateditem', 'ifc4x3_rc4.ifcshellbasedsurfacemodel', 'ifc4x3_rc4.ifcfacebasedsurfacemodel', 'ifc4x3_rc4.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc4.ifctessellateditem', 'ifc4x3_rc4.ifcshellbasedsurfacemodel', 'ifc4x3_rc4.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc4.ifcextrudedareasolid', 'ifc4x3_rc4.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3_rc4.ifcextrudedareasolidtapered', 'ifc4x3_rc4.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc4.ifcsweptareasolid', 'ifc4x3_rc4.ifcsweptdisksolid', 'ifc4x3_rc4.ifcsectionedsolidhorizontal'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc4.ifcbooleanresult', 'ifc4x3_rc4.ifccsgprimitive3d', 'ifc4x3_rc4.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_rc4.ifccsgsolid', 'ifc4x3_rc4.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13836,9 +13844,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13848,28 +13856,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3_rc4.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3_rc4.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3_rc4.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3_rc4.ifcopenshell' in typeof(temp) or 'ifc4x3_rc4.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -13880,7 +13888,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3_rc4.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3_rc4.ifcpropertysetdefinitionset' in typeof(definition):
@@ -13893,7 +13901,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -13901,7 +13909,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3_rc4.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -13909,41 +13917,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc4.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc4.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13951,31 +13959,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_rc4.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_rc4.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
diff --git a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_TC1.py b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_TC1.py
index b835bfefff..56317dc5fb 100644
--- a/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_TC1.py
+++ b/src/ifcopenshell-python/ifcopenshell/express/rules/IFC4X3_TC1.py
@@ -80,6 +80,13 @@ def express_getitem(aggr, idx, default):
         return aggr[idx]
     except IndexError as e:
         return None
+
+def express_getattr(aggr, name, default):
+    v = getattr(aggr, name, default)
+    if v is None:
+        return default
+    else:
+        return v
 EXPRESS_ONE_BASED_INDEXING = 1
 
 def typeof(inst):
@@ -140,4979 +147,4980 @@ INDETERMINATE = indeterminate_type()
 class enum_namespace:
 
     def __getattr__(self, k):
-        return getattr(k, 'upper', INDETERMINATE)()
+        return express_getattr(k, 'upper', INDETERMINATE)()
 IfcActionRequestTypeEnum = enum_namespace()
-email = getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
-fax = getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
-phone = getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
-post = getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
-verbal = getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
-userdefined = getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
+email = express_getattr(IfcActionRequestTypeEnum, 'EMAIL', INDETERMINATE)
+fax = express_getattr(IfcActionRequestTypeEnum, 'FAX', INDETERMINATE)
+phone = express_getattr(IfcActionRequestTypeEnum, 'PHONE', INDETERMINATE)
+post = express_getattr(IfcActionRequestTypeEnum, 'POST', INDETERMINATE)
+verbal = express_getattr(IfcActionRequestTypeEnum, 'VERBAL', INDETERMINATE)
+userdefined = express_getattr(IfcActionRequestTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionRequestTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionSourceTypeEnum = enum_namespace()
-brakes = getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
-buoyancy = getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
-completion_g1 = getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
-creep = getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
-current = getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
-dead_load_g = getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
-earthquake_e = getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
-erection = getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
-fire = getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
-ice = getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
-impact = getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
-impulse = getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
-lack_of_fit = getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
-live_load_q = getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
-prestressing_p = getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
-propping = getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
-rain = getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
-settlement_u = getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
-shrinkage = getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
-snow_s = getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
-system_imperfection = getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
-temperature_t = getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
-transport = getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
-wave = getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
-wind_w = getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
-userdefined = getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+brakes = express_getattr(IfcActionSourceTypeEnum, 'BRAKES', INDETERMINATE)
+buoyancy = express_getattr(IfcActionSourceTypeEnum, 'BUOYANCY', INDETERMINATE)
+completion_g1 = express_getattr(IfcActionSourceTypeEnum, 'COMPLETION_G1', INDETERMINATE)
+creep = express_getattr(IfcActionSourceTypeEnum, 'CREEP', INDETERMINATE)
+current = express_getattr(IfcActionSourceTypeEnum, 'CURRENT', INDETERMINATE)
+dead_load_g = express_getattr(IfcActionSourceTypeEnum, 'DEAD_LOAD_G', INDETERMINATE)
+earthquake_e = express_getattr(IfcActionSourceTypeEnum, 'EARTHQUAKE_E', INDETERMINATE)
+erection = express_getattr(IfcActionSourceTypeEnum, 'ERECTION', INDETERMINATE)
+fire = express_getattr(IfcActionSourceTypeEnum, 'FIRE', INDETERMINATE)
+ice = express_getattr(IfcActionSourceTypeEnum, 'ICE', INDETERMINATE)
+impact = express_getattr(IfcActionSourceTypeEnum, 'IMPACT', INDETERMINATE)
+impulse = express_getattr(IfcActionSourceTypeEnum, 'IMPULSE', INDETERMINATE)
+lack_of_fit = express_getattr(IfcActionSourceTypeEnum, 'LACK_OF_FIT', INDETERMINATE)
+live_load_q = express_getattr(IfcActionSourceTypeEnum, 'LIVE_LOAD_Q', INDETERMINATE)
+prestressing_p = express_getattr(IfcActionSourceTypeEnum, 'PRESTRESSING_P', INDETERMINATE)
+propping = express_getattr(IfcActionSourceTypeEnum, 'PROPPING', INDETERMINATE)
+rain = express_getattr(IfcActionSourceTypeEnum, 'RAIN', INDETERMINATE)
+settlement_u = express_getattr(IfcActionSourceTypeEnum, 'SETTLEMENT_U', INDETERMINATE)
+shrinkage = express_getattr(IfcActionSourceTypeEnum, 'SHRINKAGE', INDETERMINATE)
+snow_s = express_getattr(IfcActionSourceTypeEnum, 'SNOW_S', INDETERMINATE)
+system_imperfection = express_getattr(IfcActionSourceTypeEnum, 'SYSTEM_IMPERFECTION', INDETERMINATE)
+temperature_t = express_getattr(IfcActionSourceTypeEnum, 'TEMPERATURE_T', INDETERMINATE)
+transport = express_getattr(IfcActionSourceTypeEnum, 'TRANSPORT', INDETERMINATE)
+wave = express_getattr(IfcActionSourceTypeEnum, 'WAVE', INDETERMINATE)
+wind_w = express_getattr(IfcActionSourceTypeEnum, 'WIND_W', INDETERMINATE)
+userdefined = express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionSourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActionTypeEnum = enum_namespace()
-extraordinary_a = getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
-permanent_g = getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
-variable_q = getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
-userdefined = getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+extraordinary_a = express_getattr(IfcActionTypeEnum, 'EXTRAORDINARY_A', INDETERMINATE)
+permanent_g = express_getattr(IfcActionTypeEnum, 'PERMANENT_G', INDETERMINATE)
+variable_q = express_getattr(IfcActionTypeEnum, 'VARIABLE_Q', INDETERMINATE)
+userdefined = express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcActuatorTypeEnum = enum_namespace()
-electricactuator = getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
-handoperatedactuator = getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
-hydraulicactuator = getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
-pneumaticactuator = getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
-thermostaticactuator = getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
-userdefined = getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electricactuator = express_getattr(IfcActuatorTypeEnum, 'ELECTRICACTUATOR', INDETERMINATE)
+handoperatedactuator = express_getattr(IfcActuatorTypeEnum, 'HANDOPERATEDACTUATOR', INDETERMINATE)
+hydraulicactuator = express_getattr(IfcActuatorTypeEnum, 'HYDRAULICACTUATOR', INDETERMINATE)
+pneumaticactuator = express_getattr(IfcActuatorTypeEnum, 'PNEUMATICACTUATOR', INDETERMINATE)
+thermostaticactuator = express_getattr(IfcActuatorTypeEnum, 'THERMOSTATICACTUATOR', INDETERMINATE)
+userdefined = express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcActuatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAddressTypeEnum = enum_namespace()
-distributionpoint = getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
-home = getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
-office = getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
+distributionpoint = express_getattr(IfcAddressTypeEnum, 'DISTRIBUTIONPOINT', INDETERMINATE)
+home = express_getattr(IfcAddressTypeEnum, 'HOME', INDETERMINATE)
+office = express_getattr(IfcAddressTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcAddressTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE)
 IfcAirTerminalBoxTypeEnum = enum_namespace()
-constantflow = getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
-variableflowpressuredependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
-variableflowpressureindependant = getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+constantflow = express_getattr(IfcAirTerminalBoxTypeEnum, 'CONSTANTFLOW', INDETERMINATE)
+variableflowpressuredependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREDEPENDANT', INDETERMINATE)
+variableflowpressureindependant = express_getattr(IfcAirTerminalBoxTypeEnum, 'VARIABLEFLOWPRESSUREINDEPENDANT', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirTerminalTypeEnum = enum_namespace()
-diffuser = getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
-grille = getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
-louvre = getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
-register = getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
-userdefined = getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+diffuser = express_getattr(IfcAirTerminalTypeEnum, 'DIFFUSER', INDETERMINATE)
+grille = express_getattr(IfcAirTerminalTypeEnum, 'GRILLE', INDETERMINATE)
+louvre = express_getattr(IfcAirTerminalTypeEnum, 'LOUVRE', INDETERMINATE)
+register = express_getattr(IfcAirTerminalTypeEnum, 'REGISTER', INDETERMINATE)
+userdefined = express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAirToAirHeatRecoveryTypeEnum = enum_namespace()
-fixedplatecounterflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
-fixedplatecrossflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
-fixedplateparallelflowexchanger = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
-heatpipe = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
-rotarywheel = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
-runaroundcoilloop = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
-thermosiphoncoiltypeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
-thermosiphonsealedtubeheatexchangers = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
-twintowerenthalpyrecoveryloops = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
-userdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fixedplatecounterflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECOUNTERFLOWEXCHANGER', INDETERMINATE)
+fixedplatecrossflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATECROSSFLOWEXCHANGER', INDETERMINATE)
+fixedplateparallelflowexchanger = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'FIXEDPLATEPARALLELFLOWEXCHANGER', INDETERMINATE)
+heatpipe = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'HEATPIPE', INDETERMINATE)
+rotarywheel = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'ROTARYWHEEL', INDETERMINATE)
+runaroundcoilloop = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'RUNAROUNDCOILLOOP', INDETERMINATE)
+thermosiphoncoiltypeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONCOILTYPEHEATEXCHANGERS', INDETERMINATE)
+thermosiphonsealedtubeheatexchangers = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'THERMOSIPHONSEALEDTUBEHEATEXCHANGERS', INDETERMINATE)
+twintowerenthalpyrecoveryloops = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'TWINTOWERENTHALPYRECOVERYLOOPS', INDETERMINATE)
+userdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlarmTypeEnum = enum_namespace()
-bell = getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
-breakglassbutton = getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
-light = getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
-manualpullbox = getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
-railwaycrocodile = getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
-railwaydetonator = getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
-siren = getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
-whistle = getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
-userdefined = getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bell = express_getattr(IfcAlarmTypeEnum, 'BELL', INDETERMINATE)
+breakglassbutton = express_getattr(IfcAlarmTypeEnum, 'BREAKGLASSBUTTON', INDETERMINATE)
+light = express_getattr(IfcAlarmTypeEnum, 'LIGHT', INDETERMINATE)
+manualpullbox = express_getattr(IfcAlarmTypeEnum, 'MANUALPULLBOX', INDETERMINATE)
+railwaycrocodile = express_getattr(IfcAlarmTypeEnum, 'RAILWAYCROCODILE', INDETERMINATE)
+railwaydetonator = express_getattr(IfcAlarmTypeEnum, 'RAILWAYDETONATOR', INDETERMINATE)
+siren = express_getattr(IfcAlarmTypeEnum, 'SIREN', INDETERMINATE)
+whistle = express_getattr(IfcAlarmTypeEnum, 'WHISTLE', INDETERMINATE)
+userdefined = express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlarmTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentCantSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-constantcant = getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-lineartransition = getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+constantcant = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'CONSTANTCANT', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+lineartransition = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'LINEARTRANSITION', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentCantSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentHorizontalSegmentTypeEnum = enum_namespace()
-blosscurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
-circulararc = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-cosinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
-cubic = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
-helmertcurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
-line = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
-sinecurve = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
-viennesebend = getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
+blosscurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'BLOSSCURVE', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+cosinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'COSINECURVE', INDETERMINATE)
+cubic = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'CUBIC', INDETERMINATE)
+helmertcurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'HELMERTCURVE', INDETERMINATE)
+line = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'LINE', INDETERMINATE)
+sinecurve = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'SINECURVE', INDETERMINATE)
+viennesebend = express_getattr(IfcAlignmentHorizontalSegmentTypeEnum, 'VIENNESEBEND', INDETERMINATE)
 IfcAlignmentTypeEnum = enum_namespace()
-userdefined = getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcAlignmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAlignmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAlignmentVerticalSegmentTypeEnum = enum_namespace()
-circulararc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
-clothoid = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
-constantgradient = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
-parabolicarc = getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
+circulararc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CIRCULARARC', INDETERMINATE)
+clothoid = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CLOTHOID', INDETERMINATE)
+constantgradient = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'CONSTANTGRADIENT', INDETERMINATE)
+parabolicarc = express_getattr(IfcAlignmentVerticalSegmentTypeEnum, 'PARABOLICARC', INDETERMINATE)
 IfcAnalysisModelTypeEnum = enum_namespace()
-in_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
-loading_3d = getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
-out_plane_loading_2d = getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
-userdefined = getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
+in_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'IN_PLANE_LOADING_2D', INDETERMINATE)
+loading_3d = express_getattr(IfcAnalysisModelTypeEnum, 'LOADING_3D', INDETERMINATE)
+out_plane_loading_2d = express_getattr(IfcAnalysisModelTypeEnum, 'OUT_PLANE_LOADING_2D', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisModelTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnalysisTheoryTypeEnum = enum_namespace()
-first_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
-full_nonlinear_theory = getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
-second_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
-third_order_theory = getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
-userdefined = getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+first_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FIRST_ORDER_THEORY', INDETERMINATE)
+full_nonlinear_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'FULL_NONLINEAR_THEORY', INDETERMINATE)
+second_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'SECOND_ORDER_THEORY', INDETERMINATE)
+third_order_theory = express_getattr(IfcAnalysisTheoryTypeEnum, 'THIRD_ORDER_THEORY', INDETERMINATE)
+userdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnalysisTheoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAnnotationTypeEnum = enum_namespace()
-asbuiltarea = getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
-asbuiltline = getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
-asbuiltpoint = getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
-assumedarea = getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
-assumedline = getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
-assumedpoint = getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
-non_physical_signal = getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
-superelevationevent = getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
-widthevent = getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
-userdefined = getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+asbuiltarea = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTAREA', INDETERMINATE)
+asbuiltline = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTLINE', INDETERMINATE)
+asbuiltpoint = express_getattr(IfcAnnotationTypeEnum, 'ASBUILTPOINT', INDETERMINATE)
+assumedarea = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDAREA', INDETERMINATE)
+assumedline = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDLINE', INDETERMINATE)
+assumedpoint = express_getattr(IfcAnnotationTypeEnum, 'ASSUMEDPOINT', INDETERMINATE)
+non_physical_signal = express_getattr(IfcAnnotationTypeEnum, 'NON_PHYSICAL_SIGNAL', INDETERMINATE)
+superelevationevent = express_getattr(IfcAnnotationTypeEnum, 'SUPERELEVATIONEVENT', INDETERMINATE)
+widthevent = express_getattr(IfcAnnotationTypeEnum, 'WIDTHEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcAnnotationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAnnotationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcArithmeticOperatorEnum = enum_namespace()
-add = getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
-divide = getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
-multiply = getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
-subtract = getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
+add = express_getattr(IfcArithmeticOperatorEnum, 'ADD', INDETERMINATE)
+divide = express_getattr(IfcArithmeticOperatorEnum, 'DIVIDE', INDETERMINATE)
+multiply = express_getattr(IfcArithmeticOperatorEnum, 'MULTIPLY', INDETERMINATE)
+subtract = express_getattr(IfcArithmeticOperatorEnum, 'SUBTRACT', INDETERMINATE)
 IfcAssemblyPlaceEnum = enum_namespace()
-factory = getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
-site = getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
-notdefined = getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
+factory = express_getattr(IfcAssemblyPlaceEnum, 'FACTORY', INDETERMINATE)
+site = express_getattr(IfcAssemblyPlaceEnum, 'SITE', INDETERMINATE)
+notdefined = express_getattr(IfcAssemblyPlaceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcAudioVisualApplianceTypeEnum = enum_namespace()
-amplifier = getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
-camera = getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
-communicationterminal = getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
-display = getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
-microphone = getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
-player = getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
-projector = getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
-receiver = getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
-recordingequipment = getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
-speaker = getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
-switcher = getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
-telephone = getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
-tuner = getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
-userdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+amplifier = express_getattr(IfcAudioVisualApplianceTypeEnum, 'AMPLIFIER', INDETERMINATE)
+camera = express_getattr(IfcAudioVisualApplianceTypeEnum, 'CAMERA', INDETERMINATE)
+communicationterminal = express_getattr(IfcAudioVisualApplianceTypeEnum, 'COMMUNICATIONTERMINAL', INDETERMINATE)
+display = express_getattr(IfcAudioVisualApplianceTypeEnum, 'DISPLAY', INDETERMINATE)
+microphone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'MICROPHONE', INDETERMINATE)
+player = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PLAYER', INDETERMINATE)
+projector = express_getattr(IfcAudioVisualApplianceTypeEnum, 'PROJECTOR', INDETERMINATE)
+receiver = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECEIVER', INDETERMINATE)
+recordingequipment = express_getattr(IfcAudioVisualApplianceTypeEnum, 'RECORDINGEQUIPMENT', INDETERMINATE)
+speaker = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SPEAKER', INDETERMINATE)
+switcher = express_getattr(IfcAudioVisualApplianceTypeEnum, 'SWITCHER', INDETERMINATE)
+telephone = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TELEPHONE', INDETERMINATE)
+tuner = express_getattr(IfcAudioVisualApplianceTypeEnum, 'TUNER', INDETERMINATE)
+userdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcAudioVisualApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBSplineCurveForm = enum_namespace()
-circular_arc = getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
-elliptic_arc = getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
-hyperbolic_arc = getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
-parabolic_arc = getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
-polyline_form = getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
-unspecified = getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
+circular_arc = express_getattr(IfcBSplineCurveForm, 'CIRCULAR_ARC', INDETERMINATE)
+elliptic_arc = express_getattr(IfcBSplineCurveForm, 'ELLIPTIC_ARC', INDETERMINATE)
+hyperbolic_arc = express_getattr(IfcBSplineCurveForm, 'HYPERBOLIC_ARC', INDETERMINATE)
+parabolic_arc = express_getattr(IfcBSplineCurveForm, 'PARABOLIC_ARC', INDETERMINATE)
+polyline_form = express_getattr(IfcBSplineCurveForm, 'POLYLINE_FORM', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineCurveForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBSplineSurfaceForm = enum_namespace()
-conical_surf = getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
-cylindrical_surf = getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
-generalised_cone = getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
-plane_surf = getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
-quadric_surf = getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
-ruled_surf = getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
-spherical_surf = getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
-surf_of_linear_extrusion = getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
-surf_of_revolution = getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
-toroidal_surf = getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
-unspecified = getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
+conical_surf = express_getattr(IfcBSplineSurfaceForm, 'CONICAL_SURF', INDETERMINATE)
+cylindrical_surf = express_getattr(IfcBSplineSurfaceForm, 'CYLINDRICAL_SURF', INDETERMINATE)
+generalised_cone = express_getattr(IfcBSplineSurfaceForm, 'GENERALISED_CONE', INDETERMINATE)
+plane_surf = express_getattr(IfcBSplineSurfaceForm, 'PLANE_SURF', INDETERMINATE)
+quadric_surf = express_getattr(IfcBSplineSurfaceForm, 'QUADRIC_SURF', INDETERMINATE)
+ruled_surf = express_getattr(IfcBSplineSurfaceForm, 'RULED_SURF', INDETERMINATE)
+spherical_surf = express_getattr(IfcBSplineSurfaceForm, 'SPHERICAL_SURF', INDETERMINATE)
+surf_of_linear_extrusion = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_LINEAR_EXTRUSION', INDETERMINATE)
+surf_of_revolution = express_getattr(IfcBSplineSurfaceForm, 'SURF_OF_REVOLUTION', INDETERMINATE)
+toroidal_surf = express_getattr(IfcBSplineSurfaceForm, 'TOROIDAL_SURF', INDETERMINATE)
+unspecified = express_getattr(IfcBSplineSurfaceForm, 'UNSPECIFIED', INDETERMINATE)
 IfcBeamTypeEnum = enum_namespace()
-beam = getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
-cornice = getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
-diaphragm = getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
-edgebeam = getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
-girder_segment = getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
-hatstone = getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
-hollowcore = getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
-joist = getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
-lintel = getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
-piercap = getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
-spandrel = getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
-t_beam = getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
-userdefined = getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beam = express_getattr(IfcBeamTypeEnum, 'BEAM', INDETERMINATE)
+cornice = express_getattr(IfcBeamTypeEnum, 'CORNICE', INDETERMINATE)
+diaphragm = express_getattr(IfcBeamTypeEnum, 'DIAPHRAGM', INDETERMINATE)
+edgebeam = express_getattr(IfcBeamTypeEnum, 'EDGEBEAM', INDETERMINATE)
+girder_segment = express_getattr(IfcBeamTypeEnum, 'GIRDER_SEGMENT', INDETERMINATE)
+hatstone = express_getattr(IfcBeamTypeEnum, 'HATSTONE', INDETERMINATE)
+hollowcore = express_getattr(IfcBeamTypeEnum, 'HOLLOWCORE', INDETERMINATE)
+joist = express_getattr(IfcBeamTypeEnum, 'JOIST', INDETERMINATE)
+lintel = express_getattr(IfcBeamTypeEnum, 'LINTEL', INDETERMINATE)
+piercap = express_getattr(IfcBeamTypeEnum, 'PIERCAP', INDETERMINATE)
+spandrel = express_getattr(IfcBeamTypeEnum, 'SPANDREL', INDETERMINATE)
+t_beam = express_getattr(IfcBeamTypeEnum, 'T_BEAM', INDETERMINATE)
+userdefined = express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBearingTypeEnum = enum_namespace()
-cylindrical = getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
-disk = getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
-elastomeric = getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
-guide = getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
-pot = getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
-rocker = getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
-roller = getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
-spherical = getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
-userdefined = getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cylindrical = express_getattr(IfcBearingTypeEnum, 'CYLINDRICAL', INDETERMINATE)
+disk = express_getattr(IfcBearingTypeEnum, 'DISK', INDETERMINATE)
+elastomeric = express_getattr(IfcBearingTypeEnum, 'ELASTOMERIC', INDETERMINATE)
+guide = express_getattr(IfcBearingTypeEnum, 'GUIDE', INDETERMINATE)
+pot = express_getattr(IfcBearingTypeEnum, 'POT', INDETERMINATE)
+rocker = express_getattr(IfcBearingTypeEnum, 'ROCKER', INDETERMINATE)
+roller = express_getattr(IfcBearingTypeEnum, 'ROLLER', INDETERMINATE)
+spherical = express_getattr(IfcBearingTypeEnum, 'SPHERICAL', INDETERMINATE)
+userdefined = express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBearingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBenchmarkEnum = enum_namespace()
-equalto = getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
-greaterthan = getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
-greaterthanorequalto = getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
-includedin = getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
-includes = getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
-lessthan = getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
-lessthanorequalto = getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
-notequalto = getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
-notincludedin = getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
-notincludes = getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
+equalto = express_getattr(IfcBenchmarkEnum, 'EQUALTO', INDETERMINATE)
+greaterthan = express_getattr(IfcBenchmarkEnum, 'GREATERTHAN', INDETERMINATE)
+greaterthanorequalto = express_getattr(IfcBenchmarkEnum, 'GREATERTHANOREQUALTO', INDETERMINATE)
+includedin = express_getattr(IfcBenchmarkEnum, 'INCLUDEDIN', INDETERMINATE)
+includes = express_getattr(IfcBenchmarkEnum, 'INCLUDES', INDETERMINATE)
+lessthan = express_getattr(IfcBenchmarkEnum, 'LESSTHAN', INDETERMINATE)
+lessthanorequalto = express_getattr(IfcBenchmarkEnum, 'LESSTHANOREQUALTO', INDETERMINATE)
+notequalto = express_getattr(IfcBenchmarkEnum, 'NOTEQUALTO', INDETERMINATE)
+notincludedin = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDEDIN', INDETERMINATE)
+notincludes = express_getattr(IfcBenchmarkEnum, 'NOTINCLUDES', INDETERMINATE)
 IfcBoilerTypeEnum = enum_namespace()
-steam = getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
-water = getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+steam = express_getattr(IfcBoilerTypeEnum, 'STEAM', INDETERMINATE)
+water = express_getattr(IfcBoilerTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBoilerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBooleanOperator = enum_namespace()
-difference = getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
-intersection = getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
-union = getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
+difference = express_getattr(IfcBooleanOperator, 'DIFFERENCE', INDETERMINATE)
+intersection = express_getattr(IfcBooleanOperator, 'INTERSECTION', INDETERMINATE)
+union = express_getattr(IfcBooleanOperator, 'UNION', INDETERMINATE)
 IfcBridgePartTypeEnum = enum_namespace()
-abutment = getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
-deck = getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
-deck_segment = getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
-foundation = getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
-pier = getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
-pier_segment = getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
-pylon = getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
-substructure = getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-surfacestructure = getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcBridgePartTypeEnum, 'ABUTMENT', INDETERMINATE)
+deck = express_getattr(IfcBridgePartTypeEnum, 'DECK', INDETERMINATE)
+deck_segment = express_getattr(IfcBridgePartTypeEnum, 'DECK_SEGMENT', INDETERMINATE)
+foundation = express_getattr(IfcBridgePartTypeEnum, 'FOUNDATION', INDETERMINATE)
+pier = express_getattr(IfcBridgePartTypeEnum, 'PIER', INDETERMINATE)
+pier_segment = express_getattr(IfcBridgePartTypeEnum, 'PIER_SEGMENT', INDETERMINATE)
+pylon = express_getattr(IfcBridgePartTypeEnum, 'PYLON', INDETERMINATE)
+substructure = express_getattr(IfcBridgePartTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcBridgePartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+surfacestructure = express_getattr(IfcBridgePartTypeEnum, 'SURFACESTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBridgeTypeEnum = enum_namespace()
-arched = getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
-cable_stayed = getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
-cantilever = getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
-culvert = getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
-framework = getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
-girder = getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
-suspension = getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
-truss = getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
-userdefined = getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arched = express_getattr(IfcBridgeTypeEnum, 'ARCHED', INDETERMINATE)
+cable_stayed = express_getattr(IfcBridgeTypeEnum, 'CABLE_STAYED', INDETERMINATE)
+cantilever = express_getattr(IfcBridgeTypeEnum, 'CANTILEVER', INDETERMINATE)
+culvert = express_getattr(IfcBridgeTypeEnum, 'CULVERT', INDETERMINATE)
+framework = express_getattr(IfcBridgeTypeEnum, 'FRAMEWORK', INDETERMINATE)
+girder = express_getattr(IfcBridgeTypeEnum, 'GIRDER', INDETERMINATE)
+suspension = express_getattr(IfcBridgeTypeEnum, 'SUSPENSION', INDETERMINATE)
+truss = express_getattr(IfcBridgeTypeEnum, 'TRUSS', INDETERMINATE)
+userdefined = express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBridgeTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementPartTypeEnum = enum_namespace()
-apron = getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
-armourunit = getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
-insulation = getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
-precastpanel = getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
-safetycage = getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+apron = express_getattr(IfcBuildingElementPartTypeEnum, 'APRON', INDETERMINATE)
+armourunit = express_getattr(IfcBuildingElementPartTypeEnum, 'ARMOURUNIT', INDETERMINATE)
+insulation = express_getattr(IfcBuildingElementPartTypeEnum, 'INSULATION', INDETERMINATE)
+precastpanel = express_getattr(IfcBuildingElementPartTypeEnum, 'PRECASTPANEL', INDETERMINATE)
+safetycage = express_getattr(IfcBuildingElementPartTypeEnum, 'SAFETYCAGE', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingElementProxyTypeEnum = enum_namespace()
-complex = getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
-provisionforspace = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
-provisionforvoid = getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-userdefined = getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+complex = express_getattr(IfcBuildingElementProxyTypeEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcBuildingElementProxyTypeEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcBuildingElementProxyTypeEnum, 'PARTIAL', INDETERMINATE)
+provisionforspace = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORSPACE', INDETERMINATE)
+provisionforvoid = express_getattr(IfcBuildingElementProxyTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingElementProxyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuildingSystemTypeEnum = enum_namespace()
-fenestration = getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-outershell = getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-shading = getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
-transport = getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+fenestration = express_getattr(IfcBuildingSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuildingSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuildingSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+outershell = express_getattr(IfcBuildingSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+shading = express_getattr(IfcBuildingSystemTypeEnum, 'SHADING', INDETERMINATE)
+transport = express_getattr(IfcBuildingSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuildingSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBuiltSystemTypeEnum = enum_namespace()
-erosionprevention = getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
-fenestration = getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
-foundation = getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
-loadbearing = getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
-mooring = getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
-outershell = getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
-prestressing = getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
-railwayline = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
-railwaytrack = getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
-reinforcing = getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
-shading = getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
-trackcircuit = getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
-transport = getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
-userdefined = getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+erosionprevention = express_getattr(IfcBuiltSystemTypeEnum, 'EROSIONPREVENTION', INDETERMINATE)
+fenestration = express_getattr(IfcBuiltSystemTypeEnum, 'FENESTRATION', INDETERMINATE)
+foundation = express_getattr(IfcBuiltSystemTypeEnum, 'FOUNDATION', INDETERMINATE)
+loadbearing = express_getattr(IfcBuiltSystemTypeEnum, 'LOADBEARING', INDETERMINATE)
+mooring = express_getattr(IfcBuiltSystemTypeEnum, 'MOORING', INDETERMINATE)
+outershell = express_getattr(IfcBuiltSystemTypeEnum, 'OUTERSHELL', INDETERMINATE)
+prestressing = express_getattr(IfcBuiltSystemTypeEnum, 'PRESTRESSING', INDETERMINATE)
+railwayline = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYLINE', INDETERMINATE)
+railwaytrack = express_getattr(IfcBuiltSystemTypeEnum, 'RAILWAYTRACK', INDETERMINATE)
+reinforcing = express_getattr(IfcBuiltSystemTypeEnum, 'REINFORCING', INDETERMINATE)
+shading = express_getattr(IfcBuiltSystemTypeEnum, 'SHADING', INDETERMINATE)
+trackcircuit = express_getattr(IfcBuiltSystemTypeEnum, 'TRACKCIRCUIT', INDETERMINATE)
+transport = express_getattr(IfcBuiltSystemTypeEnum, 'TRANSPORT', INDETERMINATE)
+userdefined = express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBuiltSystemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcBurnerTypeEnum = enum_namespace()
-userdefined = getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcBurnerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierFittingTypeEnum = enum_namespace()
-bend = getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-cross = getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
-junction = getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-reducer = getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
-tee = getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
-transition = getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcCableCarrierFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcCableCarrierFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+cross = express_getattr(IfcCableCarrierFittingTypeEnum, 'CROSS', INDETERMINATE)
+junction = express_getattr(IfcCableCarrierFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+reducer = express_getattr(IfcCableCarrierFittingTypeEnum, 'REDUCER', INDETERMINATE)
+tee = express_getattr(IfcCableCarrierFittingTypeEnum, 'TEE', INDETERMINATE)
+transition = express_getattr(IfcCableCarrierFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableCarrierSegmentTypeEnum = enum_namespace()
-cablebracket = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
-cableladdersegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
-cabletraysegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
-cabletrunkingsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
-catenarywire = getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
-conduitsegment = getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
-dropper = getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
-userdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cablebracket = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLEBRACKET', INDETERMINATE)
+cableladdersegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLELADDERSEGMENT', INDETERMINATE)
+cabletraysegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRAYSEGMENT', INDETERMINATE)
+cabletrunkingsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CABLETRUNKINGSEGMENT', INDETERMINATE)
+catenarywire = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CATENARYWIRE', INDETERMINATE)
+conduitsegment = express_getattr(IfcCableCarrierSegmentTypeEnum, 'CONDUITSEGMENT', INDETERMINATE)
+dropper = express_getattr(IfcCableCarrierSegmentTypeEnum, 'DROPPER', INDETERMINATE)
+userdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableCarrierSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableFittingTypeEnum = enum_namespace()
-connector = getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
-fanout = getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
-junction = getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-transition = getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+connector = express_getattr(IfcCableFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcCableFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcCableFittingTypeEnum, 'EXIT', INDETERMINATE)
+fanout = express_getattr(IfcCableFittingTypeEnum, 'FANOUT', INDETERMINATE)
+junction = express_getattr(IfcCableFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+transition = express_getattr(IfcCableFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCableSegmentTypeEnum = enum_namespace()
-busbarsegment = getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
-cablesegment = getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
-conductorsegment = getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
-contactwiresegment = getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
-coresegment = getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
-fibersegment = getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
-fibertube = getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
-opticalcablesegment = getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
-stitchwire = getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
-wirepairsegment = getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+busbarsegment = express_getattr(IfcCableSegmentTypeEnum, 'BUSBARSEGMENT', INDETERMINATE)
+cablesegment = express_getattr(IfcCableSegmentTypeEnum, 'CABLESEGMENT', INDETERMINATE)
+conductorsegment = express_getattr(IfcCableSegmentTypeEnum, 'CONDUCTORSEGMENT', INDETERMINATE)
+contactwiresegment = express_getattr(IfcCableSegmentTypeEnum, 'CONTACTWIRESEGMENT', INDETERMINATE)
+coresegment = express_getattr(IfcCableSegmentTypeEnum, 'CORESEGMENT', INDETERMINATE)
+fibersegment = express_getattr(IfcCableSegmentTypeEnum, 'FIBERSEGMENT', INDETERMINATE)
+fibertube = express_getattr(IfcCableSegmentTypeEnum, 'FIBERTUBE', INDETERMINATE)
+opticalcablesegment = express_getattr(IfcCableSegmentTypeEnum, 'OPTICALCABLESEGMENT', INDETERMINATE)
+stitchwire = express_getattr(IfcCableSegmentTypeEnum, 'STITCHWIRE', INDETERMINATE)
+wirepairsegment = express_getattr(IfcCableSegmentTypeEnum, 'WIREPAIRSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCableSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCaissonFoundationTypeEnum = enum_namespace()
-caisson = getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
-well = getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
-userdefined = getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson = express_getattr(IfcCaissonFoundationTypeEnum, 'CAISSON', INDETERMINATE)
+well = express_getattr(IfcCaissonFoundationTypeEnum, 'WELL', INDETERMINATE)
+userdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCaissonFoundationTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChangeActionEnum = enum_namespace()
-added = getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
-deleted = getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
-modified = getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
-nochange = getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
-notdefined = getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
+added = express_getattr(IfcChangeActionEnum, 'ADDED', INDETERMINATE)
+deleted = express_getattr(IfcChangeActionEnum, 'DELETED', INDETERMINATE)
+modified = express_getattr(IfcChangeActionEnum, 'MODIFIED', INDETERMINATE)
+nochange = express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)
+notdefined = express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChillerTypeEnum = enum_namespace()
-aircooled = getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
-heatrecovery = getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
-watercooled = getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
-userdefined = getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcChillerTypeEnum, 'AIRCOOLED', INDETERMINATE)
+heatrecovery = express_getattr(IfcChillerTypeEnum, 'HEATRECOVERY', INDETERMINATE)
+watercooled = express_getattr(IfcChillerTypeEnum, 'WATERCOOLED', INDETERMINATE)
+userdefined = express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChillerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcChimneyTypeEnum = enum_namespace()
-userdefined = getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcChimneyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoilTypeEnum = enum_namespace()
-dxcoolingcoil = getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
-electricheatingcoil = getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
-gasheatingcoil = getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
-hydroniccoil = getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
-steamheatingcoil = getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
-watercoolingcoil = getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
-waterheatingcoil = getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
-userdefined = getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dxcoolingcoil = express_getattr(IfcCoilTypeEnum, 'DXCOOLINGCOIL', INDETERMINATE)
+electricheatingcoil = express_getattr(IfcCoilTypeEnum, 'ELECTRICHEATINGCOIL', INDETERMINATE)
+gasheatingcoil = express_getattr(IfcCoilTypeEnum, 'GASHEATINGCOIL', INDETERMINATE)
+hydroniccoil = express_getattr(IfcCoilTypeEnum, 'HYDRONICCOIL', INDETERMINATE)
+steamheatingcoil = express_getattr(IfcCoilTypeEnum, 'STEAMHEATINGCOIL', INDETERMINATE)
+watercoolingcoil = express_getattr(IfcCoilTypeEnum, 'WATERCOOLINGCOIL', INDETERMINATE)
+waterheatingcoil = express_getattr(IfcCoilTypeEnum, 'WATERHEATINGCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcColumnTypeEnum = enum_namespace()
-column = getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
-pierstem = getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
-pierstem_segment = getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
-pilaster = getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
-standcolumn = getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
-userdefined = getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
+column = express_getattr(IfcColumnTypeEnum, 'COLUMN', INDETERMINATE)
+pierstem = express_getattr(IfcColumnTypeEnum, 'PIERSTEM', INDETERMINATE)
+pierstem_segment = express_getattr(IfcColumnTypeEnum, 'PIERSTEM_SEGMENT', INDETERMINATE)
+pilaster = express_getattr(IfcColumnTypeEnum, 'PILASTER', INDETERMINATE)
+standcolumn = express_getattr(IfcColumnTypeEnum, 'STANDCOLUMN', INDETERMINATE)
+userdefined = express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcColumnTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCommunicationsApplianceTypeEnum = enum_namespace()
-antenna = getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
-automaton = getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
-computer = getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
-fax = getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
-gateway = getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
-intelligentperipheral = getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
-ipnetworkequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
-linesideelectronicunit = getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
-modem = getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
-networkappliance = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
-networkbridge = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
-networkhub = getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
-opticallineterminal = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
-opticalnetworkunit = getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
-printer = getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
-radioblockcenter = getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
-repeater = getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
-router = getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
-scanner = getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
-telecommand = getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
-telephonyexchange = getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
-transitioncomponent = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
-transponder = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
-transportequipment = getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+antenna = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ANTENNA', INDETERMINATE)
+automaton = express_getattr(IfcCommunicationsApplianceTypeEnum, 'AUTOMATON', INDETERMINATE)
+computer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'COMPUTER', INDETERMINATE)
+fax = express_getattr(IfcCommunicationsApplianceTypeEnum, 'FAX', INDETERMINATE)
+gateway = express_getattr(IfcCommunicationsApplianceTypeEnum, 'GATEWAY', INDETERMINATE)
+intelligentperipheral = express_getattr(IfcCommunicationsApplianceTypeEnum, 'INTELLIGENTPERIPHERAL', INDETERMINATE)
+ipnetworkequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'IPNETWORKEQUIPMENT', INDETERMINATE)
+linesideelectronicunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'LINESIDEELECTRONICUNIT', INDETERMINATE)
+modem = express_getattr(IfcCommunicationsApplianceTypeEnum, 'MODEM', INDETERMINATE)
+networkappliance = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKAPPLIANCE', INDETERMINATE)
+networkbridge = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKBRIDGE', INDETERMINATE)
+networkhub = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NETWORKHUB', INDETERMINATE)
+opticallineterminal = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALLINETERMINAL', INDETERMINATE)
+opticalnetworkunit = express_getattr(IfcCommunicationsApplianceTypeEnum, 'OPTICALNETWORKUNIT', INDETERMINATE)
+printer = express_getattr(IfcCommunicationsApplianceTypeEnum, 'PRINTER', INDETERMINATE)
+radioblockcenter = express_getattr(IfcCommunicationsApplianceTypeEnum, 'RADIOBLOCKCENTER', INDETERMINATE)
+repeater = express_getattr(IfcCommunicationsApplianceTypeEnum, 'REPEATER', INDETERMINATE)
+router = express_getattr(IfcCommunicationsApplianceTypeEnum, 'ROUTER', INDETERMINATE)
+scanner = express_getattr(IfcCommunicationsApplianceTypeEnum, 'SCANNER', INDETERMINATE)
+telecommand = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELECOMMAND', INDETERMINATE)
+telephonyexchange = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TELEPHONYEXCHANGE', INDETERMINATE)
+transitioncomponent = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSITIONCOMPONENT', INDETERMINATE)
+transponder = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPONDER', INDETERMINATE)
+transportequipment = express_getattr(IfcCommunicationsApplianceTypeEnum, 'TRANSPORTEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcComplexPropertyTemplateTypeEnum = enum_namespace()
-p_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
-q_complex = getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
+p_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'P_COMPLEX', INDETERMINATE)
+q_complex = express_getattr(IfcComplexPropertyTemplateTypeEnum, 'Q_COMPLEX', INDETERMINATE)
 IfcCompressorTypeEnum = enum_namespace()
-booster = getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
-dynamic = getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
-hermetic = getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
-opentype = getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
-reciprocating = getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
-rollingpiston = getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
-rotary = getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
-rotaryvane = getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
-scroll = getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
-semihermetic = getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
-singlescrew = getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
-singlestage = getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
-trochoidal = getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
-twinscrew = getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
-weldedshellhermetic = getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
-userdefined = getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+booster = express_getattr(IfcCompressorTypeEnum, 'BOOSTER', INDETERMINATE)
+dynamic = express_getattr(IfcCompressorTypeEnum, 'DYNAMIC', INDETERMINATE)
+hermetic = express_getattr(IfcCompressorTypeEnum, 'HERMETIC', INDETERMINATE)
+opentype = express_getattr(IfcCompressorTypeEnum, 'OPENTYPE', INDETERMINATE)
+reciprocating = express_getattr(IfcCompressorTypeEnum, 'RECIPROCATING', INDETERMINATE)
+rollingpiston = express_getattr(IfcCompressorTypeEnum, 'ROLLINGPISTON', INDETERMINATE)
+rotary = express_getattr(IfcCompressorTypeEnum, 'ROTARY', INDETERMINATE)
+rotaryvane = express_getattr(IfcCompressorTypeEnum, 'ROTARYVANE', INDETERMINATE)
+scroll = express_getattr(IfcCompressorTypeEnum, 'SCROLL', INDETERMINATE)
+semihermetic = express_getattr(IfcCompressorTypeEnum, 'SEMIHERMETIC', INDETERMINATE)
+singlescrew = express_getattr(IfcCompressorTypeEnum, 'SINGLESCREW', INDETERMINATE)
+singlestage = express_getattr(IfcCompressorTypeEnum, 'SINGLESTAGE', INDETERMINATE)
+trochoidal = express_getattr(IfcCompressorTypeEnum, 'TROCHOIDAL', INDETERMINATE)
+twinscrew = express_getattr(IfcCompressorTypeEnum, 'TWINSCREW', INDETERMINATE)
+weldedshellhermetic = express_getattr(IfcCompressorTypeEnum, 'WELDEDSHELLHERMETIC', INDETERMINATE)
+userdefined = express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCompressorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCondenserTypeEnum = enum_namespace()
-aircooled = getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
-evaporativecooled = getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
-watercooled = getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
-watercooledbrazedplate = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
-watercooledshellcoil = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
-watercooledshelltube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
-watercooledtubeintube = getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
-userdefined = getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aircooled = express_getattr(IfcCondenserTypeEnum, 'AIRCOOLED', INDETERMINATE)
+evaporativecooled = express_getattr(IfcCondenserTypeEnum, 'EVAPORATIVECOOLED', INDETERMINATE)
+watercooled = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLED', INDETERMINATE)
+watercooledbrazedplate = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDBRAZEDPLATE', INDETERMINATE)
+watercooledshellcoil = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLCOIL', INDETERMINATE)
+watercooledshelltube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDSHELLTUBE', INDETERMINATE)
+watercooledtubeintube = express_getattr(IfcCondenserTypeEnum, 'WATERCOOLEDTUBEINTUBE', INDETERMINATE)
+userdefined = express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCondenserTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConnectionTypeEnum = enum_namespace()
-atend = getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
-atpath = getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
-atstart = getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
-notdefined = getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+atend = express_getattr(IfcConnectionTypeEnum, 'ATEND', INDETERMINATE)
+atpath = express_getattr(IfcConnectionTypeEnum, 'ATPATH', INDETERMINATE)
+atstart = express_getattr(IfcConnectionTypeEnum, 'ATSTART', INDETERMINATE)
+notdefined = express_getattr(IfcConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstraintEnum = enum_namespace()
-advisory = getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
-hard = getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
-soft = getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
-userdefined = getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
+advisory = express_getattr(IfcConstraintEnum, 'ADVISORY', INDETERMINATE)
+hard = express_getattr(IfcConstraintEnum, 'HARD', INDETERMINATE)
+soft = express_getattr(IfcConstraintEnum, 'SOFT', INDETERMINATE)
+userdefined = express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstraintEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionEquipmentResourceTypeEnum = enum_namespace()
-demolishing = getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
-earthmoving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
-erecting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
-heating = getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
-paving = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
-pumping = getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
-transporting = getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
-userdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+demolishing = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'DEMOLISHING', INDETERMINATE)
+earthmoving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'EARTHMOVING', INDETERMINATE)
+erecting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'ERECTING', INDETERMINATE)
+heating = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'LIGHTING', INDETERMINATE)
+paving = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PAVING', INDETERMINATE)
+pumping = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'PUMPING', INDETERMINATE)
+transporting = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'TRANSPORTING', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionMaterialResourceTypeEnum = enum_namespace()
-aggregates = getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
-concrete = getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-fuel = getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
-gypsum = getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
-masonry = getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
-metal = getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
-plastic = getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
-wood = getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
-userdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aggregates = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'AGGREGATES', INDETERMINATE)
+concrete = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+fuel = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'FUEL', INDETERMINATE)
+gypsum = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'GYPSUM', INDETERMINATE)
+masonry = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'MASONRY', INDETERMINATE)
+metal = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'METAL', INDETERMINATE)
+plastic = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'PLASTIC', INDETERMINATE)
+wood = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'WOOD', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionMaterialResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConstructionProductResourceTypeEnum = enum_namespace()
-assembly = getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
-formwork = getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
-userdefined = getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assembly = express_getattr(IfcConstructionProductResourceTypeEnum, 'ASSEMBLY', INDETERMINATE)
+formwork = express_getattr(IfcConstructionProductResourceTypeEnum, 'FORMWORK', INDETERMINATE)
+userdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConstructionProductResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcControllerTypeEnum = enum_namespace()
-floating = getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
-multiposition = getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
-programmable = getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
-proportional = getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
-twoposition = getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
-userdefined = getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floating = express_getattr(IfcControllerTypeEnum, 'FLOATING', INDETERMINATE)
+multiposition = express_getattr(IfcControllerTypeEnum, 'MULTIPOSITION', INDETERMINATE)
+programmable = express_getattr(IfcControllerTypeEnum, 'PROGRAMMABLE', INDETERMINATE)
+proportional = express_getattr(IfcControllerTypeEnum, 'PROPORTIONAL', INDETERMINATE)
+twoposition = express_getattr(IfcControllerTypeEnum, 'TWOPOSITION', INDETERMINATE)
+userdefined = express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcControllerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcConveyorSegmentTypeEnum = enum_namespace()
-beltconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
-bucketconveyor = getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
-chuteconveyor = getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
-screwconveyor = getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
-userdefined = getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BELTCONVEYOR', INDETERMINATE)
+bucketconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'BUCKETCONVEYOR', INDETERMINATE)
+chuteconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'CHUTECONVEYOR', INDETERMINATE)
+screwconveyor = express_getattr(IfcConveyorSegmentTypeEnum, 'SCREWCONVEYOR', INDETERMINATE)
+userdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcConveyorSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCooledBeamTypeEnum = enum_namespace()
-active = getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
-passive = getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
-userdefined = getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
+active = express_getattr(IfcCooledBeamTypeEnum, 'ACTIVE', INDETERMINATE)
+passive = express_getattr(IfcCooledBeamTypeEnum, 'PASSIVE', INDETERMINATE)
+userdefined = express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCooledBeamTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoolingTowerTypeEnum = enum_namespace()
-mechanicalforceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
-mechanicalinduceddraft = getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
-naturaldraft = getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
-userdefined = getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+mechanicalforceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALFORCEDDRAFT', INDETERMINATE)
+mechanicalinduceddraft = express_getattr(IfcCoolingTowerTypeEnum, 'MECHANICALINDUCEDDRAFT', INDETERMINATE)
+naturaldraft = express_getattr(IfcCoolingTowerTypeEnum, 'NATURALDRAFT', INDETERMINATE)
+userdefined = express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoolingTowerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostItemTypeEnum = enum_namespace()
-userdefined = getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCostItemTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostItemTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCostScheduleTypeEnum = enum_namespace()
-budget = getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
-costplan = getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
-estimate = getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
-pricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
-scheduleofrates = getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
-tender = getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
-unpricedbillofquantities = getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
-userdefined = getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+budget = express_getattr(IfcCostScheduleTypeEnum, 'BUDGET', INDETERMINATE)
+costplan = express_getattr(IfcCostScheduleTypeEnum, 'COSTPLAN', INDETERMINATE)
+estimate = express_getattr(IfcCostScheduleTypeEnum, 'ESTIMATE', INDETERMINATE)
+pricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'PRICEDBILLOFQUANTITIES', INDETERMINATE)
+scheduleofrates = express_getattr(IfcCostScheduleTypeEnum, 'SCHEDULEOFRATES', INDETERMINATE)
+tender = express_getattr(IfcCostScheduleTypeEnum, 'TENDER', INDETERMINATE)
+unpricedbillofquantities = express_getattr(IfcCostScheduleTypeEnum, 'UNPRICEDBILLOFQUANTITIES', INDETERMINATE)
+userdefined = express_getattr(IfcCostScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCostScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCourseTypeEnum = enum_namespace()
-armour = getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
-ballastbed = getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
-core = getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
-filter = getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
-pavement = getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
-protection = getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
-userdefined = getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
+armour = express_getattr(IfcCourseTypeEnum, 'ARMOUR', INDETERMINATE)
+ballastbed = express_getattr(IfcCourseTypeEnum, 'BALLASTBED', INDETERMINATE)
+core = express_getattr(IfcCourseTypeEnum, 'CORE', INDETERMINATE)
+filter = express_getattr(IfcCourseTypeEnum, 'FILTER', INDETERMINATE)
+pavement = express_getattr(IfcCourseTypeEnum, 'PAVEMENT', INDETERMINATE)
+protection = express_getattr(IfcCourseTypeEnum, 'PROTECTION', INDETERMINATE)
+userdefined = express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCourseTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCoveringTypeEnum = enum_namespace()
-ceiling = getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
-cladding = getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
-coping = getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
-flooring = getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
-insulation = getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
-membrane = getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
-molding = getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
-roofing = getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
-skirtingboard = getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
-sleeving = getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
-topping = getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
-wrapping = getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
-userdefined = getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ceiling = express_getattr(IfcCoveringTypeEnum, 'CEILING', INDETERMINATE)
+cladding = express_getattr(IfcCoveringTypeEnum, 'CLADDING', INDETERMINATE)
+coping = express_getattr(IfcCoveringTypeEnum, 'COPING', INDETERMINATE)
+flooring = express_getattr(IfcCoveringTypeEnum, 'FLOORING', INDETERMINATE)
+insulation = express_getattr(IfcCoveringTypeEnum, 'INSULATION', INDETERMINATE)
+membrane = express_getattr(IfcCoveringTypeEnum, 'MEMBRANE', INDETERMINATE)
+molding = express_getattr(IfcCoveringTypeEnum, 'MOLDING', INDETERMINATE)
+roofing = express_getattr(IfcCoveringTypeEnum, 'ROOFING', INDETERMINATE)
+skirtingboard = express_getattr(IfcCoveringTypeEnum, 'SKIRTINGBOARD', INDETERMINATE)
+sleeving = express_getattr(IfcCoveringTypeEnum, 'SLEEVING', INDETERMINATE)
+topping = express_getattr(IfcCoveringTypeEnum, 'TOPPING', INDETERMINATE)
+wrapping = express_getattr(IfcCoveringTypeEnum, 'WRAPPING', INDETERMINATE)
+userdefined = express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCoveringTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCrewResourceTypeEnum = enum_namespace()
-office = getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
-site = getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
-userdefined = getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+office = express_getattr(IfcCrewResourceTypeEnum, 'OFFICE', INDETERMINATE)
+site = express_getattr(IfcCrewResourceTypeEnum, 'SITE', INDETERMINATE)
+userdefined = express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCrewResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurtainWallTypeEnum = enum_namespace()
-userdefined = getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcCurtainWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcCurveInterpolationEnum = enum_namespace()
-linear = getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
-log_linear = getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
-log_log = getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
-notdefined = getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
+linear = express_getattr(IfcCurveInterpolationEnum, 'LINEAR', INDETERMINATE)
+log_linear = express_getattr(IfcCurveInterpolationEnum, 'LOG_LINEAR', INDETERMINATE)
+log_log = express_getattr(IfcCurveInterpolationEnum, 'LOG_LOG', INDETERMINATE)
+notdefined = express_getattr(IfcCurveInterpolationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDamperTypeEnum = enum_namespace()
-backdraftdamper = getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
-balancingdamper = getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
-blastdamper = getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
-controldamper = getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
-firedamper = getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
-firesmokedamper = getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
-fumehoodexhaust = getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
-gravitydamper = getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
-gravityreliefdamper = getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
-reliefdamper = getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
-smokedamper = getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
-userdefined = getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backdraftdamper = express_getattr(IfcDamperTypeEnum, 'BACKDRAFTDAMPER', INDETERMINATE)
+balancingdamper = express_getattr(IfcDamperTypeEnum, 'BALANCINGDAMPER', INDETERMINATE)
+blastdamper = express_getattr(IfcDamperTypeEnum, 'BLASTDAMPER', INDETERMINATE)
+controldamper = express_getattr(IfcDamperTypeEnum, 'CONTROLDAMPER', INDETERMINATE)
+firedamper = express_getattr(IfcDamperTypeEnum, 'FIREDAMPER', INDETERMINATE)
+firesmokedamper = express_getattr(IfcDamperTypeEnum, 'FIRESMOKEDAMPER', INDETERMINATE)
+fumehoodexhaust = express_getattr(IfcDamperTypeEnum, 'FUMEHOODEXHAUST', INDETERMINATE)
+gravitydamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYDAMPER', INDETERMINATE)
+gravityreliefdamper = express_getattr(IfcDamperTypeEnum, 'GRAVITYRELIEFDAMPER', INDETERMINATE)
+reliefdamper = express_getattr(IfcDamperTypeEnum, 'RELIEFDAMPER', INDETERMINATE)
+smokedamper = express_getattr(IfcDamperTypeEnum, 'SMOKEDAMPER', INDETERMINATE)
+userdefined = express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDataOriginEnum = enum_namespace()
-measured = getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
-predicted = getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
-simulated = getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
-userdefined = getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
+measured = express_getattr(IfcDataOriginEnum, 'MEASURED', INDETERMINATE)
+predicted = express_getattr(IfcDataOriginEnum, 'PREDICTED', INDETERMINATE)
+simulated = express_getattr(IfcDataOriginEnum, 'SIMULATED', INDETERMINATE)
+userdefined = express_getattr(IfcDataOriginEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDataOriginEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDerivedUnitEnum = enum_namespace()
-accelerationunit = getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
-angularvelocityunit = getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
-areadensityunit = getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
-compoundplaneangleunit = getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
-curvatureunit = getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
-dynamicviscosityunit = getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
-heatfluxdensityunit = getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
-heatingvalueunit = getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
-integercountrateunit = getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
-ionconcentrationunit = getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
-isothermalmoisturecapacityunit = getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
-kinematicviscosityunit = getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
-linearforceunit = getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
-linearmomentunit = getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
-linearstiffnessunit = getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
-linearvelocityunit = getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
-luminousintensitydistributionunit = getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
-massdensityunit = getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
-massflowrateunit = getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
-massperlengthunit = getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
-modulusofelasticityunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
-modulusoflinearsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofrotationalsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
-modulusofsubgradereactionunit = getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
-moisturediffusivityunit = getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
-molecularweightunit = getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
-momentofinertiaunit = getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
-phunit = getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
-planarforceunit = getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
-rotationalfrequencyunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
-rotationalmassunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
-rotationalstiffnessunit = getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
-sectionareaintegralunit = getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
-sectionmodulusunit = getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
-shearmodulusunit = getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
-soundpowerlevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
-soundpowerunit = getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
-soundpressurelevelunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
-soundpressureunit = getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
-specificheatcapacityunit = getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
-temperaturegradientunit = getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
-temperaturerateofchangeunit = getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
-thermaladmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
-thermalconductanceunit = getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
-thermalexpansioncoefficientunit = getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
-thermalresistanceunit = getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
-thermaltransmittanceunit = getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
-torqueunit = getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
-vaporpermeabilityunit = getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
-volumetricflowrateunit = getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
-warpingconstantunit = getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
-warpingmomentunit = getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
-userdefined = getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
+accelerationunit = express_getattr(IfcDerivedUnitEnum, 'ACCELERATIONUNIT', INDETERMINATE)
+angularvelocityunit = express_getattr(IfcDerivedUnitEnum, 'ANGULARVELOCITYUNIT', INDETERMINATE)
+areadensityunit = express_getattr(IfcDerivedUnitEnum, 'AREADENSITYUNIT', INDETERMINATE)
+compoundplaneangleunit = express_getattr(IfcDerivedUnitEnum, 'COMPOUNDPLANEANGLEUNIT', INDETERMINATE)
+curvatureunit = express_getattr(IfcDerivedUnitEnum, 'CURVATUREUNIT', INDETERMINATE)
+dynamicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'DYNAMICVISCOSITYUNIT', INDETERMINATE)
+heatfluxdensityunit = express_getattr(IfcDerivedUnitEnum, 'HEATFLUXDENSITYUNIT', INDETERMINATE)
+heatingvalueunit = express_getattr(IfcDerivedUnitEnum, 'HEATINGVALUEUNIT', INDETERMINATE)
+integercountrateunit = express_getattr(IfcDerivedUnitEnum, 'INTEGERCOUNTRATEUNIT', INDETERMINATE)
+ionconcentrationunit = express_getattr(IfcDerivedUnitEnum, 'IONCONCENTRATIONUNIT', INDETERMINATE)
+isothermalmoisturecapacityunit = express_getattr(IfcDerivedUnitEnum, 'ISOTHERMALMOISTURECAPACITYUNIT', INDETERMINATE)
+kinematicviscosityunit = express_getattr(IfcDerivedUnitEnum, 'KINEMATICVISCOSITYUNIT', INDETERMINATE)
+linearforceunit = express_getattr(IfcDerivedUnitEnum, 'LINEARFORCEUNIT', INDETERMINATE)
+linearmomentunit = express_getattr(IfcDerivedUnitEnum, 'LINEARMOMENTUNIT', INDETERMINATE)
+linearstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'LINEARSTIFFNESSUNIT', INDETERMINATE)
+linearvelocityunit = express_getattr(IfcDerivedUnitEnum, 'LINEARVELOCITYUNIT', INDETERMINATE)
+luminousintensitydistributionunit = express_getattr(IfcDerivedUnitEnum, 'LUMINOUSINTENSITYDISTRIBUTIONUNIT', INDETERMINATE)
+massdensityunit = express_getattr(IfcDerivedUnitEnum, 'MASSDENSITYUNIT', INDETERMINATE)
+massflowrateunit = express_getattr(IfcDerivedUnitEnum, 'MASSFLOWRATEUNIT', INDETERMINATE)
+massperlengthunit = express_getattr(IfcDerivedUnitEnum, 'MASSPERLENGTHUNIT', INDETERMINATE)
+modulusofelasticityunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFELASTICITYUNIT', INDETERMINATE)
+modulusoflinearsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFLINEARSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofrotationalsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFROTATIONALSUBGRADEREACTIONUNIT', INDETERMINATE)
+modulusofsubgradereactionunit = express_getattr(IfcDerivedUnitEnum, 'MODULUSOFSUBGRADEREACTIONUNIT', INDETERMINATE)
+moisturediffusivityunit = express_getattr(IfcDerivedUnitEnum, 'MOISTUREDIFFUSIVITYUNIT', INDETERMINATE)
+molecularweightunit = express_getattr(IfcDerivedUnitEnum, 'MOLECULARWEIGHTUNIT', INDETERMINATE)
+momentofinertiaunit = express_getattr(IfcDerivedUnitEnum, 'MOMENTOFINERTIAUNIT', INDETERMINATE)
+phunit = express_getattr(IfcDerivedUnitEnum, 'PHUNIT', INDETERMINATE)
+planarforceunit = express_getattr(IfcDerivedUnitEnum, 'PLANARFORCEUNIT', INDETERMINATE)
+rotationalfrequencyunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALFREQUENCYUNIT', INDETERMINATE)
+rotationalmassunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALMASSUNIT', INDETERMINATE)
+rotationalstiffnessunit = express_getattr(IfcDerivedUnitEnum, 'ROTATIONALSTIFFNESSUNIT', INDETERMINATE)
+sectionareaintegralunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONAREAINTEGRALUNIT', INDETERMINATE)
+sectionmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SECTIONMODULUSUNIT', INDETERMINATE)
+shearmodulusunit = express_getattr(IfcDerivedUnitEnum, 'SHEARMODULUSUNIT', INDETERMINATE)
+soundpowerlevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERLEVELUNIT', INDETERMINATE)
+soundpowerunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPOWERUNIT', INDETERMINATE)
+soundpressurelevelunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSURELEVELUNIT', INDETERMINATE)
+soundpressureunit = express_getattr(IfcDerivedUnitEnum, 'SOUNDPRESSUREUNIT', INDETERMINATE)
+specificheatcapacityunit = express_getattr(IfcDerivedUnitEnum, 'SPECIFICHEATCAPACITYUNIT', INDETERMINATE)
+temperaturegradientunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATUREGRADIENTUNIT', INDETERMINATE)
+temperaturerateofchangeunit = express_getattr(IfcDerivedUnitEnum, 'TEMPERATURERATEOFCHANGEUNIT', INDETERMINATE)
+thermaladmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALADMITTANCEUNIT', INDETERMINATE)
+thermalconductanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALCONDUCTANCEUNIT', INDETERMINATE)
+thermalexpansioncoefficientunit = express_getattr(IfcDerivedUnitEnum, 'THERMALEXPANSIONCOEFFICIENTUNIT', INDETERMINATE)
+thermalresistanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALRESISTANCEUNIT', INDETERMINATE)
+thermaltransmittanceunit = express_getattr(IfcDerivedUnitEnum, 'THERMALTRANSMITTANCEUNIT', INDETERMINATE)
+torqueunit = express_getattr(IfcDerivedUnitEnum, 'TORQUEUNIT', INDETERMINATE)
+vaporpermeabilityunit = express_getattr(IfcDerivedUnitEnum, 'VAPORPERMEABILITYUNIT', INDETERMINATE)
+volumetricflowrateunit = express_getattr(IfcDerivedUnitEnum, 'VOLUMETRICFLOWRATEUNIT', INDETERMINATE)
+warpingconstantunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGCONSTANTUNIT', INDETERMINATE)
+warpingmomentunit = express_getattr(IfcDerivedUnitEnum, 'WARPINGMOMENTUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcDirectionSenseEnum = enum_namespace()
-negative = getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
+negative = express_getattr(IfcDirectionSenseEnum, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcDirectionSenseEnum, 'POSITIVE', INDETERMINATE)
 IfcDiscreteAccessoryTypeEnum = enum_namespace()
-anchorplate = getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
-birdprotection = getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
-bracket = getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
-cablearranger = getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
-elastic_cushion = getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
-expansion_joint_device = getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
-filler = getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
-flashing = getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
-insulator = getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
-lock = getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
-panel_strengthening = getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
-pointmachinemountingdevice = getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
-point_machine_locking_device = getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
-railbrace = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
-railpad = getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
-rail_lubrication = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
-rail_mechanical_equipment = getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
-shoe = getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
-slidingchair = getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
-soundabsorption = getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
-tensioningequipment = getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
-userdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorplate = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ANCHORPLATE', INDETERMINATE)
+birdprotection = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BIRDPROTECTION', INDETERMINATE)
+bracket = express_getattr(IfcDiscreteAccessoryTypeEnum, 'BRACKET', INDETERMINATE)
+cablearranger = express_getattr(IfcDiscreteAccessoryTypeEnum, 'CABLEARRANGER', INDETERMINATE)
+elastic_cushion = express_getattr(IfcDiscreteAccessoryTypeEnum, 'ELASTIC_CUSHION', INDETERMINATE)
+expansion_joint_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'EXPANSION_JOINT_DEVICE', INDETERMINATE)
+filler = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FILLER', INDETERMINATE)
+flashing = express_getattr(IfcDiscreteAccessoryTypeEnum, 'FLASHING', INDETERMINATE)
+insulator = express_getattr(IfcDiscreteAccessoryTypeEnum, 'INSULATOR', INDETERMINATE)
+lock = express_getattr(IfcDiscreteAccessoryTypeEnum, 'LOCK', INDETERMINATE)
+panel_strengthening = express_getattr(IfcDiscreteAccessoryTypeEnum, 'PANEL_STRENGTHENING', INDETERMINATE)
+pointmachinemountingdevice = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINTMACHINEMOUNTINGDEVICE', INDETERMINATE)
+point_machine_locking_device = express_getattr(IfcDiscreteAccessoryTypeEnum, 'POINT_MACHINE_LOCKING_DEVICE', INDETERMINATE)
+railbrace = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILBRACE', INDETERMINATE)
+railpad = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAILPAD', INDETERMINATE)
+rail_lubrication = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_LUBRICATION', INDETERMINATE)
+rail_mechanical_equipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT', INDETERMINATE)
+shoe = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SHOE', INDETERMINATE)
+slidingchair = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SLIDINGCHAIR', INDETERMINATE)
+soundabsorption = express_getattr(IfcDiscreteAccessoryTypeEnum, 'SOUNDABSORPTION', INDETERMINATE)
+tensioningequipment = express_getattr(IfcDiscreteAccessoryTypeEnum, 'TENSIONINGEQUIPMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDiscreteAccessoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-dispatchingboard = getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
-distributionboard = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-distributionframe = getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
-motorcontrolcentre = getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+dispatchingboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISPATCHINGBOARD', INDETERMINATE)
+distributionboard = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+distributionframe = express_getattr(IfcDistributionBoardTypeEnum, 'DISTRIBUTIONFRAME', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionChamberElementTypeEnum = enum_namespace()
-formedduct = getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
-inspectionchamber = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
-inspectionpit = getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
-manhole = getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
-meterchamber = getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
-sump = getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
-trench = getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
-valvechamber = getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
-userdefined = getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+formedduct = express_getattr(IfcDistributionChamberElementTypeEnum, 'FORMEDDUCT', INDETERMINATE)
+inspectionchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONCHAMBER', INDETERMINATE)
+inspectionpit = express_getattr(IfcDistributionChamberElementTypeEnum, 'INSPECTIONPIT', INDETERMINATE)
+manhole = express_getattr(IfcDistributionChamberElementTypeEnum, 'MANHOLE', INDETERMINATE)
+meterchamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'METERCHAMBER', INDETERMINATE)
+sump = express_getattr(IfcDistributionChamberElementTypeEnum, 'SUMP', INDETERMINATE)
+trench = express_getattr(IfcDistributionChamberElementTypeEnum, 'TRENCH', INDETERMINATE)
+valvechamber = express_getattr(IfcDistributionChamberElementTypeEnum, 'VALVECHAMBER', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionChamberElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionPortTypeEnum = enum_namespace()
-cable = getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
-cablecarrier = getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
-duct = getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
-pipe = getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
-wireless = getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
-userdefined = getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcDistributionPortTypeEnum, 'CABLE', INDETERMINATE)
+cablecarrier = express_getattr(IfcDistributionPortTypeEnum, 'CABLECARRIER', INDETERMINATE)
+duct = express_getattr(IfcDistributionPortTypeEnum, 'DUCT', INDETERMINATE)
+pipe = express_getattr(IfcDistributionPortTypeEnum, 'PIPE', INDETERMINATE)
+wireless = express_getattr(IfcDistributionPortTypeEnum, 'WIRELESS', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionPortTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionPortTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDistributionSystemEnum = enum_namespace()
-airconditioning = getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
-audiovisual = getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
-catenary_system = getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
-chemical = getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
-chilledwater = getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
-communication = getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
-compressedair = getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
-condenserwater = getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
-control = getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
-conveying = getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
-data = getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
-disposal = getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
-domesticcoldwater = getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
-domestichotwater = getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
-drainage = getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
-earthing = getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
-electrical = getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
-electroacoustic = getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
-exhaust = getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
-fireprotection = getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
-fixedtransmissionnetwork = getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
-fuel = getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
-gas = getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
-hazardous = getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
-heating = getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
-lighting = getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
-lightningprotection = getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
-mobilenetwork = getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
-monitoringsystem = getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
-municipalsolidwaste = getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
-oil = getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
-operational = getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
-operationaltelephonysystem = getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
-overhead_contactline_system = getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
-powergeneration = getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
-rainwater = getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
-refrigeration = getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
-return_circuit = getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
-security = getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
-sewage = getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
-signal = getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
-stormwater = getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
-telephone = getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
-tv = getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
-vacuum = getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
-vent = getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
-ventilation = getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
-wastewater = getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
-watersupply = getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
-userdefined = getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioning = express_getattr(IfcDistributionSystemEnum, 'AIRCONDITIONING', INDETERMINATE)
+audiovisual = express_getattr(IfcDistributionSystemEnum, 'AUDIOVISUAL', INDETERMINATE)
+catenary_system = express_getattr(IfcDistributionSystemEnum, 'CATENARY_SYSTEM', INDETERMINATE)
+chemical = express_getattr(IfcDistributionSystemEnum, 'CHEMICAL', INDETERMINATE)
+chilledwater = express_getattr(IfcDistributionSystemEnum, 'CHILLEDWATER', INDETERMINATE)
+communication = express_getattr(IfcDistributionSystemEnum, 'COMMUNICATION', INDETERMINATE)
+compressedair = express_getattr(IfcDistributionSystemEnum, 'COMPRESSEDAIR', INDETERMINATE)
+condenserwater = express_getattr(IfcDistributionSystemEnum, 'CONDENSERWATER', INDETERMINATE)
+control = express_getattr(IfcDistributionSystemEnum, 'CONTROL', INDETERMINATE)
+conveying = express_getattr(IfcDistributionSystemEnum, 'CONVEYING', INDETERMINATE)
+data = express_getattr(IfcDistributionSystemEnum, 'DATA', INDETERMINATE)
+disposal = express_getattr(IfcDistributionSystemEnum, 'DISPOSAL', INDETERMINATE)
+domesticcoldwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICCOLDWATER', INDETERMINATE)
+domestichotwater = express_getattr(IfcDistributionSystemEnum, 'DOMESTICHOTWATER', INDETERMINATE)
+drainage = express_getattr(IfcDistributionSystemEnum, 'DRAINAGE', INDETERMINATE)
+earthing = express_getattr(IfcDistributionSystemEnum, 'EARTHING', INDETERMINATE)
+electrical = express_getattr(IfcDistributionSystemEnum, 'ELECTRICAL', INDETERMINATE)
+electroacoustic = express_getattr(IfcDistributionSystemEnum, 'ELECTROACOUSTIC', INDETERMINATE)
+exhaust = express_getattr(IfcDistributionSystemEnum, 'EXHAUST', INDETERMINATE)
+fireprotection = express_getattr(IfcDistributionSystemEnum, 'FIREPROTECTION', INDETERMINATE)
+fixedtransmissionnetwork = express_getattr(IfcDistributionSystemEnum, 'FIXEDTRANSMISSIONNETWORK', INDETERMINATE)
+fuel = express_getattr(IfcDistributionSystemEnum, 'FUEL', INDETERMINATE)
+gas = express_getattr(IfcDistributionSystemEnum, 'GAS', INDETERMINATE)
+hazardous = express_getattr(IfcDistributionSystemEnum, 'HAZARDOUS', INDETERMINATE)
+heating = express_getattr(IfcDistributionSystemEnum, 'HEATING', INDETERMINATE)
+lighting = express_getattr(IfcDistributionSystemEnum, 'LIGHTING', INDETERMINATE)
+lightningprotection = express_getattr(IfcDistributionSystemEnum, 'LIGHTNINGPROTECTION', INDETERMINATE)
+mobilenetwork = express_getattr(IfcDistributionSystemEnum, 'MOBILENETWORK', INDETERMINATE)
+monitoringsystem = express_getattr(IfcDistributionSystemEnum, 'MONITORINGSYSTEM', INDETERMINATE)
+municipalsolidwaste = express_getattr(IfcDistributionSystemEnum, 'MUNICIPALSOLIDWASTE', INDETERMINATE)
+oil = express_getattr(IfcDistributionSystemEnum, 'OIL', INDETERMINATE)
+operational = express_getattr(IfcDistributionSystemEnum, 'OPERATIONAL', INDETERMINATE)
+operationaltelephonysystem = express_getattr(IfcDistributionSystemEnum, 'OPERATIONALTELEPHONYSYSTEM', INDETERMINATE)
+overhead_contactline_system = express_getattr(IfcDistributionSystemEnum, 'OVERHEAD_CONTACTLINE_SYSTEM', INDETERMINATE)
+powergeneration = express_getattr(IfcDistributionSystemEnum, 'POWERGENERATION', INDETERMINATE)
+rainwater = express_getattr(IfcDistributionSystemEnum, 'RAINWATER', INDETERMINATE)
+refrigeration = express_getattr(IfcDistributionSystemEnum, 'REFRIGERATION', INDETERMINATE)
+return_circuit = express_getattr(IfcDistributionSystemEnum, 'RETURN_CIRCUIT', INDETERMINATE)
+security = express_getattr(IfcDistributionSystemEnum, 'SECURITY', INDETERMINATE)
+sewage = express_getattr(IfcDistributionSystemEnum, 'SEWAGE', INDETERMINATE)
+signal = express_getattr(IfcDistributionSystemEnum, 'SIGNAL', INDETERMINATE)
+stormwater = express_getattr(IfcDistributionSystemEnum, 'STORMWATER', INDETERMINATE)
+telephone = express_getattr(IfcDistributionSystemEnum, 'TELEPHONE', INDETERMINATE)
+tv = express_getattr(IfcDistributionSystemEnum, 'TV', INDETERMINATE)
+vacuum = express_getattr(IfcDistributionSystemEnum, 'VACUUM', INDETERMINATE)
+vent = express_getattr(IfcDistributionSystemEnum, 'VENT', INDETERMINATE)
+ventilation = express_getattr(IfcDistributionSystemEnum, 'VENTILATION', INDETERMINATE)
+wastewater = express_getattr(IfcDistributionSystemEnum, 'WASTEWATER', INDETERMINATE)
+watersupply = express_getattr(IfcDistributionSystemEnum, 'WATERSUPPLY', INDETERMINATE)
+userdefined = express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDistributionSystemEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentConfidentialityEnum = enum_namespace()
-confidential = getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
-personal = getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
-public = getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
-restricted = getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
-userdefined = getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
+confidential = express_getattr(IfcDocumentConfidentialityEnum, 'CONFIDENTIAL', INDETERMINATE)
+personal = express_getattr(IfcDocumentConfidentialityEnum, 'PERSONAL', INDETERMINATE)
+public = express_getattr(IfcDocumentConfidentialityEnum, 'PUBLIC', INDETERMINATE)
+restricted = express_getattr(IfcDocumentConfidentialityEnum, 'RESTRICTED', INDETERMINATE)
+userdefined = express_getattr(IfcDocumentConfidentialityEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentConfidentialityEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDocumentStatusEnum = enum_namespace()
-draft = getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
-final = getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
-finaldraft = getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
-revision = getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
-notdefined = getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
+draft = express_getattr(IfcDocumentStatusEnum, 'DRAFT', INDETERMINATE)
+final = express_getattr(IfcDocumentStatusEnum, 'FINAL', INDETERMINATE)
+finaldraft = express_getattr(IfcDocumentStatusEnum, 'FINALDRAFT', INDETERMINATE)
+revision = express_getattr(IfcDocumentStatusEnum, 'REVISION', INDETERMINATE)
+notdefined = express_getattr(IfcDocumentStatusEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelOperationEnum = enum_namespace()
-double_acting = getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
-fixedpanel = getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
-folding = getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
-revolving = getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
-rollingup = getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
-sliding = getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
-swinging = getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
-userdefined = getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_acting = express_getattr(IfcDoorPanelOperationEnum, 'DOUBLE_ACTING', INDETERMINATE)
+fixedpanel = express_getattr(IfcDoorPanelOperationEnum, 'FIXEDPANEL', INDETERMINATE)
+folding = express_getattr(IfcDoorPanelOperationEnum, 'FOLDING', INDETERMINATE)
+revolving = express_getattr(IfcDoorPanelOperationEnum, 'REVOLVING', INDETERMINATE)
+rollingup = express_getattr(IfcDoorPanelOperationEnum, 'ROLLINGUP', INDETERMINATE)
+sliding = express_getattr(IfcDoorPanelOperationEnum, 'SLIDING', INDETERMINATE)
+swinging = express_getattr(IfcDoorPanelOperationEnum, 'SWINGING', INDETERMINATE)
+userdefined = express_getattr(IfcDoorPanelOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorPanelPositionEnum = enum_namespace()
-left = getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
-notdefined = getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+left = express_getattr(IfcDoorPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcDoorPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcDoorPanelPositionEnum, 'RIGHT', INDETERMINATE)
+notdefined = express_getattr(IfcDoorPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeEnum = enum_namespace()
-boom_barrier = getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
-door = getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
-gate = getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
-trapdoor = getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
-turnstile = getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boom_barrier = express_getattr(IfcDoorTypeEnum, 'BOOM_BARRIER', INDETERMINATE)
+door = express_getattr(IfcDoorTypeEnum, 'DOOR', INDETERMINATE)
+gate = express_getattr(IfcDoorTypeEnum, 'GATE', INDETERMINATE)
+trapdoor = express_getattr(IfcDoorTypeEnum, 'TRAPDOOR', INDETERMINATE)
+turnstile = express_getattr(IfcDoorTypeEnum, 'TURNSTILE', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDoorTypeOperationEnum = enum_namespace()
-double_door_double_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
-double_door_folding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
-double_door_lifting_vertical = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_LIFTING_VERTICAL', INDETERMINATE)
-double_door_single_swing = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
-double_door_single_swing_opposite_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
-double_door_single_swing_opposite_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
-double_door_sliding = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
-double_swing_left = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
-double_swing_right = getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
-folding_to_left = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
-folding_to_right = getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
-lifting_horizontal = getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
-lifting_vertical_left = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
-lifting_vertical_right = getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
-revolving = getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
-revolving_vertical = getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
-rollingup = getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
-single_swing_left = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
-single_swing_right = getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
-sliding_to_left = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
-sliding_to_right = getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
-swing_fixed_left = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
-swing_fixed_right = getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
-userdefined = getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
+double_door_double_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_DOUBLE_SWING', INDETERMINATE)
+double_door_folding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_FOLDING', INDETERMINATE)
+double_door_lifting_vertical = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_LIFTING_VERTICAL', INDETERMINATE)
+double_door_single_swing = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING', INDETERMINATE)
+double_door_single_swing_opposite_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_LEFT', INDETERMINATE)
+double_door_single_swing_opposite_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SINGLE_SWING_OPPOSITE_RIGHT', INDETERMINATE)
+double_door_sliding = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_DOOR_SLIDING', INDETERMINATE)
+double_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_LEFT', INDETERMINATE)
+double_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'DOUBLE_SWING_RIGHT', INDETERMINATE)
+folding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_LEFT', INDETERMINATE)
+folding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'FOLDING_TO_RIGHT', INDETERMINATE)
+lifting_horizontal = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_HORIZONTAL', INDETERMINATE)
+lifting_vertical_left = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_LEFT', INDETERMINATE)
+lifting_vertical_right = express_getattr(IfcDoorTypeOperationEnum, 'LIFTING_VERTICAL_RIGHT', INDETERMINATE)
+revolving = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING', INDETERMINATE)
+revolving_vertical = express_getattr(IfcDoorTypeOperationEnum, 'REVOLVING_VERTICAL', INDETERMINATE)
+rollingup = express_getattr(IfcDoorTypeOperationEnum, 'ROLLINGUP', INDETERMINATE)
+single_swing_left = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_LEFT', INDETERMINATE)
+single_swing_right = express_getattr(IfcDoorTypeOperationEnum, 'SINGLE_SWING_RIGHT', INDETERMINATE)
+sliding_to_left = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_LEFT', INDETERMINATE)
+sliding_to_right = express_getattr(IfcDoorTypeOperationEnum, 'SLIDING_TO_RIGHT', INDETERMINATE)
+swing_fixed_left = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_LEFT', INDETERMINATE)
+swing_fixed_right = express_getattr(IfcDoorTypeOperationEnum, 'SWING_FIXED_RIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcDoorTypeOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDoorTypeOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctFittingTypeEnum = enum_namespace()
-bend = getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcDuctFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcDuctFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcDuctFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcDuctFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcDuctFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcDuctFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcDuctFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSegmentTypeEnum = enum_namespace()
-flexiblesegment = getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-rigidsegment = getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-userdefined = getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexiblesegment = express_getattr(IfcDuctSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+rigidsegment = express_getattr(IfcDuctSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcDuctSilencerTypeEnum = enum_namespace()
-flatoval = getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
-rectangular = getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
-round = getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
-userdefined = getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flatoval = express_getattr(IfcDuctSilencerTypeEnum, 'FLATOVAL', INDETERMINATE)
+rectangular = express_getattr(IfcDuctSilencerTypeEnum, 'RECTANGULAR', INDETERMINATE)
+round = express_getattr(IfcDuctSilencerTypeEnum, 'ROUND', INDETERMINATE)
+userdefined = express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcDuctSilencerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksCutTypeEnum = enum_namespace()
-base_excavation = getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
-cut = getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
-dredging = getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
-excavation = getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
-overexcavation = getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
-pavementmilling = getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
-stepexcavation = getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
-topsoilremoval = getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
-trench = getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
-userdefined = getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_excavation = express_getattr(IfcEarthworksCutTypeEnum, 'BASE_EXCAVATION', INDETERMINATE)
+cut = express_getattr(IfcEarthworksCutTypeEnum, 'CUT', INDETERMINATE)
+dredging = express_getattr(IfcEarthworksCutTypeEnum, 'DREDGING', INDETERMINATE)
+excavation = express_getattr(IfcEarthworksCutTypeEnum, 'EXCAVATION', INDETERMINATE)
+overexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'OVEREXCAVATION', INDETERMINATE)
+pavementmilling = express_getattr(IfcEarthworksCutTypeEnum, 'PAVEMENTMILLING', INDETERMINATE)
+stepexcavation = express_getattr(IfcEarthworksCutTypeEnum, 'STEPEXCAVATION', INDETERMINATE)
+topsoilremoval = express_getattr(IfcEarthworksCutTypeEnum, 'TOPSOILREMOVAL', INDETERMINATE)
+trench = express_getattr(IfcEarthworksCutTypeEnum, 'TRENCH', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksCutTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEarthworksFillTypeEnum = enum_namespace()
-backfill = getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
-counterweight = getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
-embankment = getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
-slopefill = getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
-subgrade = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
-subgradebed = getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
-transitionsection = getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
-userdefined = getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
+backfill = express_getattr(IfcEarthworksFillTypeEnum, 'BACKFILL', INDETERMINATE)
+counterweight = express_getattr(IfcEarthworksFillTypeEnum, 'COUNTERWEIGHT', INDETERMINATE)
+embankment = express_getattr(IfcEarthworksFillTypeEnum, 'EMBANKMENT', INDETERMINATE)
+slopefill = express_getattr(IfcEarthworksFillTypeEnum, 'SLOPEFILL', INDETERMINATE)
+subgrade = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADE', INDETERMINATE)
+subgradebed = express_getattr(IfcEarthworksFillTypeEnum, 'SUBGRADEBED', INDETERMINATE)
+transitionsection = express_getattr(IfcEarthworksFillTypeEnum, 'TRANSITIONSECTION', INDETERMINATE)
+userdefined = express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEarthworksFillTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricApplianceTypeEnum = enum_namespace()
-dishwasher = getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
-electriccooker = getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
-freestandingelectricheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
-freestandingfan = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
-freestandingwatercooler = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
-freestandingwaterheater = getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
-freezer = getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
-fridge_freezer = getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
-handdryer = getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
-kitchenmachine = getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
-microwave = getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
-photocopier = getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
-refrigerator = getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
-tumbledryer = getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
-vendingmachine = getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
-washingmachine = getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
-userdefined = getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dishwasher = express_getattr(IfcElectricApplianceTypeEnum, 'DISHWASHER', INDETERMINATE)
+electriccooker = express_getattr(IfcElectricApplianceTypeEnum, 'ELECTRICCOOKER', INDETERMINATE)
+freestandingelectricheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGELECTRICHEATER', INDETERMINATE)
+freestandingfan = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGFAN', INDETERMINATE)
+freestandingwatercooler = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERCOOLER', INDETERMINATE)
+freestandingwaterheater = express_getattr(IfcElectricApplianceTypeEnum, 'FREESTANDINGWATERHEATER', INDETERMINATE)
+freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FREEZER', INDETERMINATE)
+fridge_freezer = express_getattr(IfcElectricApplianceTypeEnum, 'FRIDGE_FREEZER', INDETERMINATE)
+handdryer = express_getattr(IfcElectricApplianceTypeEnum, 'HANDDRYER', INDETERMINATE)
+kitchenmachine = express_getattr(IfcElectricApplianceTypeEnum, 'KITCHENMACHINE', INDETERMINATE)
+microwave = express_getattr(IfcElectricApplianceTypeEnum, 'MICROWAVE', INDETERMINATE)
+photocopier = express_getattr(IfcElectricApplianceTypeEnum, 'PHOTOCOPIER', INDETERMINATE)
+refrigerator = express_getattr(IfcElectricApplianceTypeEnum, 'REFRIGERATOR', INDETERMINATE)
+tumbledryer = express_getattr(IfcElectricApplianceTypeEnum, 'TUMBLEDRYER', INDETERMINATE)
+vendingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'VENDINGMACHINE', INDETERMINATE)
+washingmachine = express_getattr(IfcElectricApplianceTypeEnum, 'WASHINGMACHINE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricDistributionBoardTypeEnum = enum_namespace()
-consumerunit = getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
-distributionboard = getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
-motorcontrolcentre = getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
-switchboard = getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
-userdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
+consumerunit = express_getattr(IfcElectricDistributionBoardTypeEnum, 'CONSUMERUNIT', INDETERMINATE)
+distributionboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'DISTRIBUTIONBOARD', INDETERMINATE)
+motorcontrolcentre = express_getattr(IfcElectricDistributionBoardTypeEnum, 'MOTORCONTROLCENTRE', INDETERMINATE)
+switchboard = express_getattr(IfcElectricDistributionBoardTypeEnum, 'SWITCHBOARD', INDETERMINATE)
+userdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricDistributionBoardTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowStorageDeviceTypeEnum = enum_namespace()
-battery = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
-capacitor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
-capacitorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
-compensator = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
-harmonicfilter = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
-inductor = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
-inductorbank = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
-recharger = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
-ups = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+battery = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'BATTERY', INDETERMINATE)
+capacitor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITOR', INDETERMINATE)
+capacitorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'CAPACITORBANK', INDETERMINATE)
+compensator = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'COMPENSATOR', INDETERMINATE)
+harmonicfilter = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'HARMONICFILTER', INDETERMINATE)
+inductor = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTOR', INDETERMINATE)
+inductorbank = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'INDUCTORBANK', INDETERMINATE)
+recharger = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'RECHARGER', INDETERMINATE)
+ups = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'UPS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricFlowTreatmentDeviceTypeEnum = enum_namespace()
-electronicfilter = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
-userdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electronicfilter = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'ELECTRONICFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricGeneratorTypeEnum = enum_namespace()
-chp = getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
-enginegenerator = getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
-standalone = getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
-userdefined = getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chp = express_getattr(IfcElectricGeneratorTypeEnum, 'CHP', INDETERMINATE)
+enginegenerator = express_getattr(IfcElectricGeneratorTypeEnum, 'ENGINEGENERATOR', INDETERMINATE)
+standalone = express_getattr(IfcElectricGeneratorTypeEnum, 'STANDALONE', INDETERMINATE)
+userdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricGeneratorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricMotorTypeEnum = enum_namespace()
-dc = getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
-induction = getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
-polyphase = getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
-reluctancesynchronous = getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
-synchronous = getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
-userdefined = getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dc = express_getattr(IfcElectricMotorTypeEnum, 'DC', INDETERMINATE)
+induction = express_getattr(IfcElectricMotorTypeEnum, 'INDUCTION', INDETERMINATE)
+polyphase = express_getattr(IfcElectricMotorTypeEnum, 'POLYPHASE', INDETERMINATE)
+reluctancesynchronous = express_getattr(IfcElectricMotorTypeEnum, 'RELUCTANCESYNCHRONOUS', INDETERMINATE)
+synchronous = express_getattr(IfcElectricMotorTypeEnum, 'SYNCHRONOUS', INDETERMINATE)
+userdefined = express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricMotorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElectricTimeControlTypeEnum = enum_namespace()
-relay = getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
-timeclock = getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
-timedelay = getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
-userdefined = getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
+relay = express_getattr(IfcElectricTimeControlTypeEnum, 'RELAY', INDETERMINATE)
+timeclock = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMECLOCK', INDETERMINATE)
+timedelay = express_getattr(IfcElectricTimeControlTypeEnum, 'TIMEDELAY', INDETERMINATE)
+userdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElectricTimeControlTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementAssemblyTypeEnum = enum_namespace()
-abutment = getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
-accessory_assembly = getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
-arch = getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
-beam_grid = getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
-braced_frame = getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
-cross_bracing = getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
-deck = getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
-dilatationpanel = getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
-entranceworks = getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
-girder = getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
-grid = getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
-mast = getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
-pier = getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
-pylon = getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
-rail_mechanical_equipment_assembly = getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
-reinforcement_unit = getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
-rigid_frame = getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
-shelter = getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
-signalassembly = getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
-slab_field = getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
-sumpbuster = getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
-supportingassembly = getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
-suspensionassembly = getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
-trackpanel = getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
-traction_switching_assembly = getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
-traffic_calming_device = getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
-truss = getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
-turnoutpanel = getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
-userdefined = getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abutment = express_getattr(IfcElementAssemblyTypeEnum, 'ABUTMENT', INDETERMINATE)
+accessory_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'ACCESSORY_ASSEMBLY', INDETERMINATE)
+arch = express_getattr(IfcElementAssemblyTypeEnum, 'ARCH', INDETERMINATE)
+beam_grid = express_getattr(IfcElementAssemblyTypeEnum, 'BEAM_GRID', INDETERMINATE)
+braced_frame = express_getattr(IfcElementAssemblyTypeEnum, 'BRACED_FRAME', INDETERMINATE)
+cross_bracing = express_getattr(IfcElementAssemblyTypeEnum, 'CROSS_BRACING', INDETERMINATE)
+deck = express_getattr(IfcElementAssemblyTypeEnum, 'DECK', INDETERMINATE)
+dilatationpanel = express_getattr(IfcElementAssemblyTypeEnum, 'DILATATIONPANEL', INDETERMINATE)
+entranceworks = express_getattr(IfcElementAssemblyTypeEnum, 'ENTRANCEWORKS', INDETERMINATE)
+girder = express_getattr(IfcElementAssemblyTypeEnum, 'GIRDER', INDETERMINATE)
+grid = express_getattr(IfcElementAssemblyTypeEnum, 'GRID', INDETERMINATE)
+mast = express_getattr(IfcElementAssemblyTypeEnum, 'MAST', INDETERMINATE)
+pier = express_getattr(IfcElementAssemblyTypeEnum, 'PIER', INDETERMINATE)
+pylon = express_getattr(IfcElementAssemblyTypeEnum, 'PYLON', INDETERMINATE)
+rail_mechanical_equipment_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'RAIL_MECHANICAL_EQUIPMENT_ASSEMBLY', INDETERMINATE)
+reinforcement_unit = express_getattr(IfcElementAssemblyTypeEnum, 'REINFORCEMENT_UNIT', INDETERMINATE)
+rigid_frame = express_getattr(IfcElementAssemblyTypeEnum, 'RIGID_FRAME', INDETERMINATE)
+shelter = express_getattr(IfcElementAssemblyTypeEnum, 'SHELTER', INDETERMINATE)
+signalassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SIGNALASSEMBLY', INDETERMINATE)
+slab_field = express_getattr(IfcElementAssemblyTypeEnum, 'SLAB_FIELD', INDETERMINATE)
+sumpbuster = express_getattr(IfcElementAssemblyTypeEnum, 'SUMPBUSTER', INDETERMINATE)
+supportingassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUPPORTINGASSEMBLY', INDETERMINATE)
+suspensionassembly = express_getattr(IfcElementAssemblyTypeEnum, 'SUSPENSIONASSEMBLY', INDETERMINATE)
+trackpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TRACKPANEL', INDETERMINATE)
+traction_switching_assembly = express_getattr(IfcElementAssemblyTypeEnum, 'TRACTION_SWITCHING_ASSEMBLY', INDETERMINATE)
+traffic_calming_device = express_getattr(IfcElementAssemblyTypeEnum, 'TRAFFIC_CALMING_DEVICE', INDETERMINATE)
+truss = express_getattr(IfcElementAssemblyTypeEnum, 'TRUSS', INDETERMINATE)
+turnoutpanel = express_getattr(IfcElementAssemblyTypeEnum, 'TURNOUTPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcElementAssemblyTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcElementCompositionEnum = enum_namespace()
-complex = getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
-element = getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
-partial = getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
+complex = express_getattr(IfcElementCompositionEnum, 'COMPLEX', INDETERMINATE)
+element = express_getattr(IfcElementCompositionEnum, 'ELEMENT', INDETERMINATE)
+partial = express_getattr(IfcElementCompositionEnum, 'PARTIAL', INDETERMINATE)
 IfcEngineTypeEnum = enum_namespace()
-externalcombustion = getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
-internalcombustion = getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
-userdefined = getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
+externalcombustion = express_getattr(IfcEngineTypeEnum, 'EXTERNALCOMBUSTION', INDETERMINATE)
+internalcombustion = express_getattr(IfcEngineTypeEnum, 'INTERNALCOMBUSTION', INDETERMINATE)
+userdefined = express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEngineTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporativeCoolerTypeEnum = enum_namespace()
-directevaporativeairwasher = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
-directevaporativepackagedrotaryaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
-directevaporativerandommediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativerigidmediaaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
-directevaporativeslingerspackagedaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
-indirectdirectcombination = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
-indirectevaporativecoolingtowerorcoilcooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
-indirectevaporativepackageaircooler = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
-indirectevaporativewetcoil = getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directevaporativeairwasher = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEAIRWASHER', INDETERMINATE)
+directevaporativepackagedrotaryaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVEPACKAGEDROTARYAIRCOOLER', INDETERMINATE)
+directevaporativerandommediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERANDOMMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativerigidmediaaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVERIGIDMEDIAAIRCOOLER', INDETERMINATE)
+directevaporativeslingerspackagedaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'DIRECTEVAPORATIVESLINGERSPACKAGEDAIRCOOLER', INDETERMINATE)
+indirectdirectcombination = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTDIRECTCOMBINATION', INDETERMINATE)
+indirectevaporativecoolingtowerorcoilcooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVECOOLINGTOWERORCOILCOOLER', INDETERMINATE)
+indirectevaporativepackageaircooler = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEPACKAGEAIRCOOLER', INDETERMINATE)
+indirectevaporativewetcoil = express_getattr(IfcEvaporativeCoolerTypeEnum, 'INDIRECTEVAPORATIVEWETCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporativeCoolerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEvaporatorTypeEnum = enum_namespace()
-directexpansion = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
-directexpansionbrazedplate = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
-directexpansionshellandtube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
-directexpansiontubeintube = getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
-floodedshellandtube = getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
-shellandcoil = getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
-userdefined = getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directexpansion = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSION', INDETERMINATE)
+directexpansionbrazedplate = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONBRAZEDPLATE', INDETERMINATE)
+directexpansionshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONSHELLANDTUBE', INDETERMINATE)
+directexpansiontubeintube = express_getattr(IfcEvaporatorTypeEnum, 'DIRECTEXPANSIONTUBEINTUBE', INDETERMINATE)
+floodedshellandtube = express_getattr(IfcEvaporatorTypeEnum, 'FLOODEDSHELLANDTUBE', INDETERMINATE)
+shellandcoil = express_getattr(IfcEvaporatorTypeEnum, 'SHELLANDCOIL', INDETERMINATE)
+userdefined = express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEvaporatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTriggerTypeEnum = enum_namespace()
-eventcomplex = getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
-eventmessage = getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
-eventrule = getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
-eventtime = getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
-userdefined = getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+eventcomplex = express_getattr(IfcEventTriggerTypeEnum, 'EVENTCOMPLEX', INDETERMINATE)
+eventmessage = express_getattr(IfcEventTriggerTypeEnum, 'EVENTMESSAGE', INDETERMINATE)
+eventrule = express_getattr(IfcEventTriggerTypeEnum, 'EVENTRULE', INDETERMINATE)
+eventtime = express_getattr(IfcEventTriggerTypeEnum, 'EVENTTIME', INDETERMINATE)
+userdefined = express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTriggerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcEventTypeEnum = enum_namespace()
-endevent = getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
-intermediateevent = getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
-startevent = getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
-userdefined = getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
+endevent = express_getattr(IfcEventTypeEnum, 'ENDEVENT', INDETERMINATE)
+intermediateevent = express_getattr(IfcEventTypeEnum, 'INTERMEDIATEEVENT', INDETERMINATE)
+startevent = express_getattr(IfcEventTypeEnum, 'STARTEVENT', INDETERMINATE)
+userdefined = express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcEventTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcExternalSpatialElementTypeEnum = enum_namespace()
-external = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
-userdefined = getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcExternalSpatialElementTypeEnum, 'EXTERNAL_WATER', INDETERMINATE)
+userdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcExternalSpatialElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityPartCommonTypeEnum = enum_namespace()
-aboveground = getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
-belowground = getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
-junction = getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
-levelcrossing = getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
-segment = getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
-substructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-terminal = getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+aboveground = express_getattr(IfcFacilityPartCommonTypeEnum, 'ABOVEGROUND', INDETERMINATE)
+belowground = express_getattr(IfcFacilityPartCommonTypeEnum, 'BELOWGROUND', INDETERMINATE)
+junction = express_getattr(IfcFacilityPartCommonTypeEnum, 'JUNCTION', INDETERMINATE)
+levelcrossing = express_getattr(IfcFacilityPartCommonTypeEnum, 'LEVELCROSSING', INDETERMINATE)
+segment = express_getattr(IfcFacilityPartCommonTypeEnum, 'SEGMENT', INDETERMINATE)
+substructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUBSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcFacilityPartCommonTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+terminal = express_getattr(IfcFacilityPartCommonTypeEnum, 'TERMINAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityPartCommonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFacilityUsageEnum = enum_namespace()
-lateral = getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
-longitudinal = getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
-region = getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
-vertical = getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
+lateral = express_getattr(IfcFacilityUsageEnum, 'LATERAL', INDETERMINATE)
+longitudinal = express_getattr(IfcFacilityUsageEnum, 'LONGITUDINAL', INDETERMINATE)
+region = express_getattr(IfcFacilityUsageEnum, 'REGION', INDETERMINATE)
+vertical = express_getattr(IfcFacilityUsageEnum, 'VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcFacilityUsageEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFacilityUsageEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFanTypeEnum = enum_namespace()
-centrifugalairfoil = getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
-centrifugalbackwardinclinedcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
-centrifugalforwardcurved = getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
-centrifugalradial = getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
-propelloraxial = getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
-tubeaxial = getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
-vaneaxial = getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
-userdefined = getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+centrifugalairfoil = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALAIRFOIL', INDETERMINATE)
+centrifugalbackwardinclinedcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALBACKWARDINCLINEDCURVED', INDETERMINATE)
+centrifugalforwardcurved = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALFORWARDCURVED', INDETERMINATE)
+centrifugalradial = express_getattr(IfcFanTypeEnum, 'CENTRIFUGALRADIAL', INDETERMINATE)
+propelloraxial = express_getattr(IfcFanTypeEnum, 'PROPELLORAXIAL', INDETERMINATE)
+tubeaxial = express_getattr(IfcFanTypeEnum, 'TUBEAXIAL', INDETERMINATE)
+vaneaxial = express_getattr(IfcFanTypeEnum, 'VANEAXIAL', INDETERMINATE)
+userdefined = express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFastenerTypeEnum = enum_namespace()
-glue = getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
-mortar = getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
-weld = getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
-userdefined = getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+glue = express_getattr(IfcFastenerTypeEnum, 'GLUE', INDETERMINATE)
+mortar = express_getattr(IfcFastenerTypeEnum, 'MORTAR', INDETERMINATE)
+weld = express_getattr(IfcFastenerTypeEnum, 'WELD', INDETERMINATE)
+userdefined = express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFilterTypeEnum = enum_namespace()
-airparticlefilter = getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
-compressedairfilter = getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
-odorfilter = getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
-oilfilter = getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
-strainer = getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
-waterfilter = getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
-userdefined = getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airparticlefilter = express_getattr(IfcFilterTypeEnum, 'AIRPARTICLEFILTER', INDETERMINATE)
+compressedairfilter = express_getattr(IfcFilterTypeEnum, 'COMPRESSEDAIRFILTER', INDETERMINATE)
+odorfilter = express_getattr(IfcFilterTypeEnum, 'ODORFILTER', INDETERMINATE)
+oilfilter = express_getattr(IfcFilterTypeEnum, 'OILFILTER', INDETERMINATE)
+strainer = express_getattr(IfcFilterTypeEnum, 'STRAINER', INDETERMINATE)
+waterfilter = express_getattr(IfcFilterTypeEnum, 'WATERFILTER', INDETERMINATE)
+userdefined = express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFilterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFireSuppressionTerminalTypeEnum = enum_namespace()
-breechinginlet = getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
-firehydrant = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
-firemonitor = getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
-hosereel = getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-sprinkler = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
-sprinklerdeflector = getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
-userdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+breechinginlet = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'BREECHINGINLET', INDETERMINATE)
+firehydrant = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREHYDRANT', INDETERMINATE)
+firemonitor = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'FIREMONITOR', INDETERMINATE)
+hosereel = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+sprinkler = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLER', INDETERMINATE)
+sprinklerdeflector = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'SPRINKLERDEFLECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFireSuppressionTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowDirectionEnum = enum_namespace()
-sink = getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
-source = getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
-sourceandsink = getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
-notdefined = getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
+sink = express_getattr(IfcFlowDirectionEnum, 'SINK', INDETERMINATE)
+source = express_getattr(IfcFlowDirectionEnum, 'SOURCE', INDETERMINATE)
+sourceandsink = express_getattr(IfcFlowDirectionEnum, 'SOURCEANDSINK', INDETERMINATE)
+notdefined = express_getattr(IfcFlowDirectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowInstrumentTypeEnum = enum_namespace()
-ammeter = getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
-combined = getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
-frequencymeter = getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
-phaseanglemeter = getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
-powerfactormeter = getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
-pressuregauge = getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
-thermometer = getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
-voltmeter = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
-voltmeter_peak = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
-voltmeter_rms = getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
-userdefined = getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+ammeter = express_getattr(IfcFlowInstrumentTypeEnum, 'AMMETER', INDETERMINATE)
+combined = express_getattr(IfcFlowInstrumentTypeEnum, 'COMBINED', INDETERMINATE)
+frequencymeter = express_getattr(IfcFlowInstrumentTypeEnum, 'FREQUENCYMETER', INDETERMINATE)
+phaseanglemeter = express_getattr(IfcFlowInstrumentTypeEnum, 'PHASEANGLEMETER', INDETERMINATE)
+powerfactormeter = express_getattr(IfcFlowInstrumentTypeEnum, 'POWERFACTORMETER', INDETERMINATE)
+pressuregauge = express_getattr(IfcFlowInstrumentTypeEnum, 'PRESSUREGAUGE', INDETERMINATE)
+thermometer = express_getattr(IfcFlowInstrumentTypeEnum, 'THERMOMETER', INDETERMINATE)
+voltmeter = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER', INDETERMINATE)
+voltmeter_peak = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_PEAK', INDETERMINATE)
+voltmeter_rms = express_getattr(IfcFlowInstrumentTypeEnum, 'VOLTMETER_RMS', INDETERMINATE)
+userdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowInstrumentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFlowMeterTypeEnum = enum_namespace()
-energymeter = getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
-gasmeter = getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
-oilmeter = getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
-watermeter = getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
-userdefined = getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+energymeter = express_getattr(IfcFlowMeterTypeEnum, 'ENERGYMETER', INDETERMINATE)
+gasmeter = express_getattr(IfcFlowMeterTypeEnum, 'GASMETER', INDETERMINATE)
+oilmeter = express_getattr(IfcFlowMeterTypeEnum, 'OILMETER', INDETERMINATE)
+watermeter = express_getattr(IfcFlowMeterTypeEnum, 'WATERMETER', INDETERMINATE)
+userdefined = express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFlowMeterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFootingTypeEnum = enum_namespace()
-caisson_foundation = getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
-footing_beam = getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
-pad_footing = getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
-pile_cap = getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
-strip_footing = getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
-userdefined = getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+caisson_foundation = express_getattr(IfcFootingTypeEnum, 'CAISSON_FOUNDATION', INDETERMINATE)
+footing_beam = express_getattr(IfcFootingTypeEnum, 'FOOTING_BEAM', INDETERMINATE)
+pad_footing = express_getattr(IfcFootingTypeEnum, 'PAD_FOOTING', INDETERMINATE)
+pile_cap = express_getattr(IfcFootingTypeEnum, 'PILE_CAP', INDETERMINATE)
+strip_footing = express_getattr(IfcFootingTypeEnum, 'STRIP_FOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFootingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcFurnitureTypeEnum = enum_namespace()
-bed = getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
-chair = getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
-desk = getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
-filecabinet = getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
-shelf = getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
-sofa = getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
-table = getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
-technicalcabinet = getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
-userdefined = getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bed = express_getattr(IfcFurnitureTypeEnum, 'BED', INDETERMINATE)
+chair = express_getattr(IfcFurnitureTypeEnum, 'CHAIR', INDETERMINATE)
+desk = express_getattr(IfcFurnitureTypeEnum, 'DESK', INDETERMINATE)
+filecabinet = express_getattr(IfcFurnitureTypeEnum, 'FILECABINET', INDETERMINATE)
+shelf = express_getattr(IfcFurnitureTypeEnum, 'SHELF', INDETERMINATE)
+sofa = express_getattr(IfcFurnitureTypeEnum, 'SOFA', INDETERMINATE)
+table = express_getattr(IfcFurnitureTypeEnum, 'TABLE', INDETERMINATE)
+technicalcabinet = express_getattr(IfcFurnitureTypeEnum, 'TECHNICALCABINET', INDETERMINATE)
+userdefined = express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcFurnitureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeographicElementTypeEnum = enum_namespace()
-soil_boring_point = getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
-terrain = getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
-vegetation = getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
-userdefined = getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+soil_boring_point = express_getattr(IfcGeographicElementTypeEnum, 'SOIL_BORING_POINT', INDETERMINATE)
+terrain = express_getattr(IfcGeographicElementTypeEnum, 'TERRAIN', INDETERMINATE)
+vegetation = express_getattr(IfcGeographicElementTypeEnum, 'VEGETATION', INDETERMINATE)
+userdefined = express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeographicElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeometricProjectionEnum = enum_namespace()
-elevation_view = getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
-graph_view = getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
-model_view = getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
-plan_view = getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
-reflected_plan_view = getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
-section_view = getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
-sketch_view = getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
-userdefined = getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
+elevation_view = express_getattr(IfcGeometricProjectionEnum, 'ELEVATION_VIEW', INDETERMINATE)
+graph_view = express_getattr(IfcGeometricProjectionEnum, 'GRAPH_VIEW', INDETERMINATE)
+model_view = express_getattr(IfcGeometricProjectionEnum, 'MODEL_VIEW', INDETERMINATE)
+plan_view = express_getattr(IfcGeometricProjectionEnum, 'PLAN_VIEW', INDETERMINATE)
+reflected_plan_view = express_getattr(IfcGeometricProjectionEnum, 'REFLECTED_PLAN_VIEW', INDETERMINATE)
+section_view = express_getattr(IfcGeometricProjectionEnum, 'SECTION_VIEW', INDETERMINATE)
+sketch_view = express_getattr(IfcGeometricProjectionEnum, 'SKETCH_VIEW', INDETERMINATE)
+userdefined = express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeometricProjectionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGeotechnicalStratumTypeEnum = enum_namespace()
-solid = getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
-void = getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
-water = getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
-userdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solid = express_getattr(IfcGeotechnicalStratumTypeEnum, 'SOLID', INDETERMINATE)
+void = express_getattr(IfcGeotechnicalStratumTypeEnum, 'VOID', INDETERMINATE)
+water = express_getattr(IfcGeotechnicalStratumTypeEnum, 'WATER', INDETERMINATE)
+userdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGeotechnicalStratumTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcGlobalOrLocalEnum = enum_namespace()
-global_coords = getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
-local_coords = getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
+global_coords = express_getattr(IfcGlobalOrLocalEnum, 'GLOBAL_COORDS', INDETERMINATE)
+local_coords = express_getattr(IfcGlobalOrLocalEnum, 'LOCAL_COORDS', INDETERMINATE)
 IfcGridTypeEnum = enum_namespace()
-irregular = getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
-radial = getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
-rectangular = getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
-triangular = getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
-userdefined = getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
+irregular = express_getattr(IfcGridTypeEnum, 'IRREGULAR', INDETERMINATE)
+radial = express_getattr(IfcGridTypeEnum, 'RADIAL', INDETERMINATE)
+rectangular = express_getattr(IfcGridTypeEnum, 'RECTANGULAR', INDETERMINATE)
+triangular = express_getattr(IfcGridTypeEnum, 'TRIANGULAR', INDETERMINATE)
+userdefined = express_getattr(IfcGridTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcGridTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHeatExchangerTypeEnum = enum_namespace()
-plate = getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
-shellandtube = getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
-turnoutheating = getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
-userdefined = getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+plate = express_getattr(IfcHeatExchangerTypeEnum, 'PLATE', INDETERMINATE)
+shellandtube = express_getattr(IfcHeatExchangerTypeEnum, 'SHELLANDTUBE', INDETERMINATE)
+turnoutheating = express_getattr(IfcHeatExchangerTypeEnum, 'TURNOUTHEATING', INDETERMINATE)
+userdefined = express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHeatExchangerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcHumidifierTypeEnum = enum_namespace()
-adiabaticairwasher = getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
-adiabaticatomizing = getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
-adiabaticcompressedairnozzle = getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
-adiabaticpan = getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
-adiabaticrigidmedia = getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
-adiabaticultrasonic = getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
-adiabaticwettedelement = getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
-assistedbutane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
-assistedelectric = getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
-assistednaturalgas = getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
-assistedpropane = getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
-assistedsteam = getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
-steaminjection = getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
-userdefined = getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adiabaticairwasher = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICAIRWASHER', INDETERMINATE)
+adiabaticatomizing = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICATOMIZING', INDETERMINATE)
+adiabaticcompressedairnozzle = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICCOMPRESSEDAIRNOZZLE', INDETERMINATE)
+adiabaticpan = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICPAN', INDETERMINATE)
+adiabaticrigidmedia = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICRIGIDMEDIA', INDETERMINATE)
+adiabaticultrasonic = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICULTRASONIC', INDETERMINATE)
+adiabaticwettedelement = express_getattr(IfcHumidifierTypeEnum, 'ADIABATICWETTEDELEMENT', INDETERMINATE)
+assistedbutane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDBUTANE', INDETERMINATE)
+assistedelectric = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDELECTRIC', INDETERMINATE)
+assistednaturalgas = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDNATURALGAS', INDETERMINATE)
+assistedpropane = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDPROPANE', INDETERMINATE)
+assistedsteam = express_getattr(IfcHumidifierTypeEnum, 'ASSISTEDSTEAM', INDETERMINATE)
+steaminjection = express_getattr(IfcHumidifierTypeEnum, 'STEAMINJECTION', INDETERMINATE)
+userdefined = express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcHumidifierTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcImpactProtectionDeviceTypeEnum = enum_namespace()
-bumper = getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
-crashcushion = getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
-dampingsystem = getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
-fender = getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
-userdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bumper = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'BUMPER', INDETERMINATE)
+crashcushion = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'CRASHCUSHION', INDETERMINATE)
+dampingsystem = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'DAMPINGSYSTEM', INDETERMINATE)
+fender = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'FENDER', INDETERMINATE)
+userdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcImpactProtectionDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInterceptorTypeEnum = enum_namespace()
-cyclonic = getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
-grease = getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
-oil = getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
-petrol = getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
-userdefined = getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cyclonic = express_getattr(IfcInterceptorTypeEnum, 'CYCLONIC', INDETERMINATE)
+grease = express_getattr(IfcInterceptorTypeEnum, 'GREASE', INDETERMINATE)
+oil = express_getattr(IfcInterceptorTypeEnum, 'OIL', INDETERMINATE)
+petrol = express_getattr(IfcInterceptorTypeEnum, 'PETROL', INDETERMINATE)
+userdefined = express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInterceptorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInternalOrExternalEnum = enum_namespace()
-external = getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
-external_earth = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
-external_fire = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
-external_water = getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
-internal = getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
-notdefined = getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
+external = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL', INDETERMINATE)
+external_earth = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_EARTH', INDETERMINATE)
+external_fire = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_FIRE', INDETERMINATE)
+external_water = express_getattr(IfcInternalOrExternalEnum, 'EXTERNAL_WATER', INDETERMINATE)
+internal = express_getattr(IfcInternalOrExternalEnum, 'INTERNAL', INDETERMINATE)
+notdefined = express_getattr(IfcInternalOrExternalEnum, 'NOTDEFINED', INDETERMINATE)
 IfcInventoryTypeEnum = enum_namespace()
-assetinventory = getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
-furnitureinventory = getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
-spaceinventory = getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
-userdefined = getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assetinventory = express_getattr(IfcInventoryTypeEnum, 'ASSETINVENTORY', INDETERMINATE)
+furnitureinventory = express_getattr(IfcInventoryTypeEnum, 'FURNITUREINVENTORY', INDETERMINATE)
+spaceinventory = express_getattr(IfcInventoryTypeEnum, 'SPACEINVENTORY', INDETERMINATE)
+userdefined = express_getattr(IfcInventoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcInventoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcJunctionBoxTypeEnum = enum_namespace()
-data = getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
-power = getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
-userdefined = getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
+data = express_getattr(IfcJunctionBoxTypeEnum, 'DATA', INDETERMINATE)
+power = express_getattr(IfcJunctionBoxTypeEnum, 'POWER', INDETERMINATE)
+userdefined = express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcJunctionBoxTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKerbTypeEnum = enum_namespace()
-userdefined = getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcKerbTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcKerbTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcKnotType = enum_namespace()
-piecewise_bezier_knots = getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
-quasi_uniform_knots = getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
-uniform_knots = getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
-unspecified = getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
+piecewise_bezier_knots = express_getattr(IfcKnotType, 'PIECEWISE_BEZIER_KNOTS', INDETERMINATE)
+quasi_uniform_knots = express_getattr(IfcKnotType, 'QUASI_UNIFORM_KNOTS', INDETERMINATE)
+uniform_knots = express_getattr(IfcKnotType, 'UNIFORM_KNOTS', INDETERMINATE)
+unspecified = express_getattr(IfcKnotType, 'UNSPECIFIED', INDETERMINATE)
 IfcLaborResourceTypeEnum = enum_namespace()
-administration = getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
-carpentry = getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
-cleaning = getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
-concrete = getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
-drywall = getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
-electric = getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
-finishing = getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
-flooring = getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
-general = getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
-hvac = getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
-landscaping = getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
-masonry = getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
-painting = getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
-paving = getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
-plumbing = getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
-roofing = getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
-sitegrading = getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
-steelwork = getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
-surveying = getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
-userdefined = getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+administration = express_getattr(IfcLaborResourceTypeEnum, 'ADMINISTRATION', INDETERMINATE)
+carpentry = express_getattr(IfcLaborResourceTypeEnum, 'CARPENTRY', INDETERMINATE)
+cleaning = express_getattr(IfcLaborResourceTypeEnum, 'CLEANING', INDETERMINATE)
+concrete = express_getattr(IfcLaborResourceTypeEnum, 'CONCRETE', INDETERMINATE)
+drywall = express_getattr(IfcLaborResourceTypeEnum, 'DRYWALL', INDETERMINATE)
+electric = express_getattr(IfcLaborResourceTypeEnum, 'ELECTRIC', INDETERMINATE)
+finishing = express_getattr(IfcLaborResourceTypeEnum, 'FINISHING', INDETERMINATE)
+flooring = express_getattr(IfcLaborResourceTypeEnum, 'FLOORING', INDETERMINATE)
+general = express_getattr(IfcLaborResourceTypeEnum, 'GENERAL', INDETERMINATE)
+hvac = express_getattr(IfcLaborResourceTypeEnum, 'HVAC', INDETERMINATE)
+landscaping = express_getattr(IfcLaborResourceTypeEnum, 'LANDSCAPING', INDETERMINATE)
+masonry = express_getattr(IfcLaborResourceTypeEnum, 'MASONRY', INDETERMINATE)
+painting = express_getattr(IfcLaborResourceTypeEnum, 'PAINTING', INDETERMINATE)
+paving = express_getattr(IfcLaborResourceTypeEnum, 'PAVING', INDETERMINATE)
+plumbing = express_getattr(IfcLaborResourceTypeEnum, 'PLUMBING', INDETERMINATE)
+roofing = express_getattr(IfcLaborResourceTypeEnum, 'ROOFING', INDETERMINATE)
+sitegrading = express_getattr(IfcLaborResourceTypeEnum, 'SITEGRADING', INDETERMINATE)
+steelwork = express_getattr(IfcLaborResourceTypeEnum, 'STEELWORK', INDETERMINATE)
+surveying = express_getattr(IfcLaborResourceTypeEnum, 'SURVEYING', INDETERMINATE)
+userdefined = express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLaborResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLampTypeEnum = enum_namespace()
-compactfluorescent = getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
-halogen = getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
-highpressuremercury = getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-led = getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
-metalhalide = getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
-oled = getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
-tungstenfilament = getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-userdefined = getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLampTypeEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLampTypeEnum, 'FLUORESCENT', INDETERMINATE)
+halogen = express_getattr(IfcLampTypeEnum, 'HALOGEN', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLampTypeEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLampTypeEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+led = express_getattr(IfcLampTypeEnum, 'LED', INDETERMINATE)
+metalhalide = express_getattr(IfcLampTypeEnum, 'METALHALIDE', INDETERMINATE)
+oled = express_getattr(IfcLampTypeEnum, 'OLED', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLampTypeEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+userdefined = express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLayerSetDirectionEnum = enum_namespace()
-axis1 = getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
-axis2 = getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
-axis3 = getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
+axis1 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS1', INDETERMINATE)
+axis2 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS2', INDETERMINATE)
+axis3 = express_getattr(IfcLayerSetDirectionEnum, 'AXIS3', INDETERMINATE)
 IfcLightDistributionCurveEnum = enum_namespace()
-type_a = getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
-type_b = getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
-type_c = getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
-notdefined = getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
+type_a = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_A', INDETERMINATE)
+type_b = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_B', INDETERMINATE)
+type_c = express_getattr(IfcLightDistributionCurveEnum, 'TYPE_C', INDETERMINATE)
+notdefined = express_getattr(IfcLightDistributionCurveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightEmissionSourceEnum = enum_namespace()
-compactfluorescent = getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
-fluorescent = getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
-highpressuremercury = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
-highpressuresodium = getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
-lightemittingdiode = getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
-lowpressuresodium = getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
-lowvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
-mainvoltagehalogen = getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
-metalhalide = getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
-tungstenfilament = getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
-notdefined = getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
+compactfluorescent = express_getattr(IfcLightEmissionSourceEnum, 'COMPACTFLUORESCENT', INDETERMINATE)
+fluorescent = express_getattr(IfcLightEmissionSourceEnum, 'FLUORESCENT', INDETERMINATE)
+highpressuremercury = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSUREMERCURY', INDETERMINATE)
+highpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'HIGHPRESSURESODIUM', INDETERMINATE)
+lightemittingdiode = express_getattr(IfcLightEmissionSourceEnum, 'LIGHTEMITTINGDIODE', INDETERMINATE)
+lowpressuresodium = express_getattr(IfcLightEmissionSourceEnum, 'LOWPRESSURESODIUM', INDETERMINATE)
+lowvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'LOWVOLTAGEHALOGEN', INDETERMINATE)
+mainvoltagehalogen = express_getattr(IfcLightEmissionSourceEnum, 'MAINVOLTAGEHALOGEN', INDETERMINATE)
+metalhalide = express_getattr(IfcLightEmissionSourceEnum, 'METALHALIDE', INDETERMINATE)
+tungstenfilament = express_getattr(IfcLightEmissionSourceEnum, 'TUNGSTENFILAMENT', INDETERMINATE)
+notdefined = express_getattr(IfcLightEmissionSourceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLightFixtureTypeEnum = enum_namespace()
-directionsource = getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
-pointsource = getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
-securitylighting = getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
-userdefined = getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+directionsource = express_getattr(IfcLightFixtureTypeEnum, 'DIRECTIONSOURCE', INDETERMINATE)
+pointsource = express_getattr(IfcLightFixtureTypeEnum, 'POINTSOURCE', INDETERMINATE)
+securitylighting = express_getattr(IfcLightFixtureTypeEnum, 'SECURITYLIGHTING', INDETERMINATE)
+userdefined = express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLightFixtureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLiquidTerminalTypeEnum = enum_namespace()
-hosereel = getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
-loadingarm = getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
-userdefined = getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+hosereel = express_getattr(IfcLiquidTerminalTypeEnum, 'HOSEREEL', INDETERMINATE)
+loadingarm = express_getattr(IfcLiquidTerminalTypeEnum, 'LOADINGARM', INDETERMINATE)
+userdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLiquidTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLoadGroupTypeEnum = enum_namespace()
-load_case = getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
-load_combination = getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
-load_group = getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
-userdefined = getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
+load_case = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)
+load_combination = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_COMBINATION', INDETERMINATE)
+load_group = express_getattr(IfcLoadGroupTypeEnum, 'LOAD_GROUP', INDETERMINATE)
+userdefined = express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcLoadGroupTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcLogicalOperatorEnum = enum_namespace()
-logicaland = getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
-logicalnotand = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
-logicalnotor = getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
-logicalor = getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
-logicalxor = getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
+logicaland = express_getattr(IfcLogicalOperatorEnum, 'LOGICALAND', INDETERMINATE)
+logicalnotand = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTAND', INDETERMINATE)
+logicalnotor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALNOTOR', INDETERMINATE)
+logicalor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALOR', INDETERMINATE)
+logicalxor = express_getattr(IfcLogicalOperatorEnum, 'LOGICALXOR', INDETERMINATE)
 IfcMarineFacilityTypeEnum = enum_namespace()
-barrierbeach = getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
-breakwater = getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
-canal = getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
-drydock = getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
-floatingdock = getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
-hydrolift = getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
-jetty = getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
-launchrecovery = getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
-marinedefence = getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
-navigationalchannel = getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
-port = getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
-quay = getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
-revetment = getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
-shiplift = getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
-shiplock = getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
-shipyard = getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
-slipway = getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
-waterway = getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
-waterwayshiplift = getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
-userdefined = getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrierbeach = express_getattr(IfcMarineFacilityTypeEnum, 'BARRIERBEACH', INDETERMINATE)
+breakwater = express_getattr(IfcMarineFacilityTypeEnum, 'BREAKWATER', INDETERMINATE)
+canal = express_getattr(IfcMarineFacilityTypeEnum, 'CANAL', INDETERMINATE)
+drydock = express_getattr(IfcMarineFacilityTypeEnum, 'DRYDOCK', INDETERMINATE)
+floatingdock = express_getattr(IfcMarineFacilityTypeEnum, 'FLOATINGDOCK', INDETERMINATE)
+hydrolift = express_getattr(IfcMarineFacilityTypeEnum, 'HYDROLIFT', INDETERMINATE)
+jetty = express_getattr(IfcMarineFacilityTypeEnum, 'JETTY', INDETERMINATE)
+launchrecovery = express_getattr(IfcMarineFacilityTypeEnum, 'LAUNCHRECOVERY', INDETERMINATE)
+marinedefence = express_getattr(IfcMarineFacilityTypeEnum, 'MARINEDEFENCE', INDETERMINATE)
+navigationalchannel = express_getattr(IfcMarineFacilityTypeEnum, 'NAVIGATIONALCHANNEL', INDETERMINATE)
+port = express_getattr(IfcMarineFacilityTypeEnum, 'PORT', INDETERMINATE)
+quay = express_getattr(IfcMarineFacilityTypeEnum, 'QUAY', INDETERMINATE)
+revetment = express_getattr(IfcMarineFacilityTypeEnum, 'REVETMENT', INDETERMINATE)
+shiplift = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLIFT', INDETERMINATE)
+shiplock = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPLOCK', INDETERMINATE)
+shipyard = express_getattr(IfcMarineFacilityTypeEnum, 'SHIPYARD', INDETERMINATE)
+slipway = express_getattr(IfcMarineFacilityTypeEnum, 'SLIPWAY', INDETERMINATE)
+waterway = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAY', INDETERMINATE)
+waterwayshiplift = express_getattr(IfcMarineFacilityTypeEnum, 'WATERWAYSHIPLIFT', INDETERMINATE)
+userdefined = express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarineFacilityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMarinePartTypeEnum = enum_namespace()
-abovewaterline = getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
-anchorage = getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
-approachchannel = getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
-belowwaterline = getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
-berthingstructure = getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
-chamber = getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
-cill_level = getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
-copelevel = getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
-core = getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
-crest = getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
-gatehead = getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
-gudingstructure = getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
-highwaterline = getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
-landfield = getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
-leewardside = getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
-lowwaterline = getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
-manufacturing = getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
-navigationalarea = getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
-protection = getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
-shiptransfer = getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
-storagearea = getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
-vehicleservicing = getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
-waterfield = getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
-weatherside = getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
-userdefined = getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+abovewaterline = express_getattr(IfcMarinePartTypeEnum, 'ABOVEWATERLINE', INDETERMINATE)
+anchorage = express_getattr(IfcMarinePartTypeEnum, 'ANCHORAGE', INDETERMINATE)
+approachchannel = express_getattr(IfcMarinePartTypeEnum, 'APPROACHCHANNEL', INDETERMINATE)
+belowwaterline = express_getattr(IfcMarinePartTypeEnum, 'BELOWWATERLINE', INDETERMINATE)
+berthingstructure = express_getattr(IfcMarinePartTypeEnum, 'BERTHINGSTRUCTURE', INDETERMINATE)
+chamber = express_getattr(IfcMarinePartTypeEnum, 'CHAMBER', INDETERMINATE)
+cill_level = express_getattr(IfcMarinePartTypeEnum, 'CILL_LEVEL', INDETERMINATE)
+copelevel = express_getattr(IfcMarinePartTypeEnum, 'COPELEVEL', INDETERMINATE)
+core = express_getattr(IfcMarinePartTypeEnum, 'CORE', INDETERMINATE)
+crest = express_getattr(IfcMarinePartTypeEnum, 'CREST', INDETERMINATE)
+gatehead = express_getattr(IfcMarinePartTypeEnum, 'GATEHEAD', INDETERMINATE)
+gudingstructure = express_getattr(IfcMarinePartTypeEnum, 'GUDINGSTRUCTURE', INDETERMINATE)
+highwaterline = express_getattr(IfcMarinePartTypeEnum, 'HIGHWATERLINE', INDETERMINATE)
+landfield = express_getattr(IfcMarinePartTypeEnum, 'LANDFIELD', INDETERMINATE)
+leewardside = express_getattr(IfcMarinePartTypeEnum, 'LEEWARDSIDE', INDETERMINATE)
+lowwaterline = express_getattr(IfcMarinePartTypeEnum, 'LOWWATERLINE', INDETERMINATE)
+manufacturing = express_getattr(IfcMarinePartTypeEnum, 'MANUFACTURING', INDETERMINATE)
+navigationalarea = express_getattr(IfcMarinePartTypeEnum, 'NAVIGATIONALAREA', INDETERMINATE)
+protection = express_getattr(IfcMarinePartTypeEnum, 'PROTECTION', INDETERMINATE)
+shiptransfer = express_getattr(IfcMarinePartTypeEnum, 'SHIPTRANSFER', INDETERMINATE)
+storagearea = express_getattr(IfcMarinePartTypeEnum, 'STORAGEAREA', INDETERMINATE)
+vehicleservicing = express_getattr(IfcMarinePartTypeEnum, 'VEHICLESERVICING', INDETERMINATE)
+waterfield = express_getattr(IfcMarinePartTypeEnum, 'WATERFIELD', INDETERMINATE)
+weatherside = express_getattr(IfcMarinePartTypeEnum, 'WEATHERSIDE', INDETERMINATE)
+userdefined = express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMarinePartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMechanicalFastenerTypeEnum = enum_namespace()
-anchorbolt = getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
-bolt = getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
-chain = getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
-coupler = getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
-dowel = getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
-nail = getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
-nailplate = getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
-railfastening = getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
-railjoint = getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
-rivet = getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
-rope = getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
-screw = getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
-shearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
-staple = getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
-studshearconnector = getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
-userdefined = getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchorbolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'ANCHORBOLT', INDETERMINATE)
+bolt = express_getattr(IfcMechanicalFastenerTypeEnum, 'BOLT', INDETERMINATE)
+chain = express_getattr(IfcMechanicalFastenerTypeEnum, 'CHAIN', INDETERMINATE)
+coupler = express_getattr(IfcMechanicalFastenerTypeEnum, 'COUPLER', INDETERMINATE)
+dowel = express_getattr(IfcMechanicalFastenerTypeEnum, 'DOWEL', INDETERMINATE)
+nail = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAIL', INDETERMINATE)
+nailplate = express_getattr(IfcMechanicalFastenerTypeEnum, 'NAILPLATE', INDETERMINATE)
+railfastening = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILFASTENING', INDETERMINATE)
+railjoint = express_getattr(IfcMechanicalFastenerTypeEnum, 'RAILJOINT', INDETERMINATE)
+rivet = express_getattr(IfcMechanicalFastenerTypeEnum, 'RIVET', INDETERMINATE)
+rope = express_getattr(IfcMechanicalFastenerTypeEnum, 'ROPE', INDETERMINATE)
+screw = express_getattr(IfcMechanicalFastenerTypeEnum, 'SCREW', INDETERMINATE)
+shearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'SHEARCONNECTOR', INDETERMINATE)
+staple = express_getattr(IfcMechanicalFastenerTypeEnum, 'STAPLE', INDETERMINATE)
+studshearconnector = express_getattr(IfcMechanicalFastenerTypeEnum, 'STUDSHEARCONNECTOR', INDETERMINATE)
+userdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMechanicalFastenerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMedicalDeviceTypeEnum = enum_namespace()
-airstation = getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
-feedairunit = getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
-oxygengenerator = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
-oxygenplant = getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
-vacuumstation = getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
-userdefined = getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airstation = express_getattr(IfcMedicalDeviceTypeEnum, 'AIRSTATION', INDETERMINATE)
+feedairunit = express_getattr(IfcMedicalDeviceTypeEnum, 'FEEDAIRUNIT', INDETERMINATE)
+oxygengenerator = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENGENERATOR', INDETERMINATE)
+oxygenplant = express_getattr(IfcMedicalDeviceTypeEnum, 'OXYGENPLANT', INDETERMINATE)
+vacuumstation = express_getattr(IfcMedicalDeviceTypeEnum, 'VACUUMSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMedicalDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMemberTypeEnum = enum_namespace()
-arch_segment = getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
-brace = getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
-chord = getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
-collar = getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
-member = getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
-mullion = getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
-plate = getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
-post = getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
-purlin = getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
-rafter = getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
-stay_cable = getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
-stiffening_rib = getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
-stringer = getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
-structuralcable = getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
-strut = getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
-stud = getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
-suspender = getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
-suspension_cable = getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
-tiebar = getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
-userdefined = getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+arch_segment = express_getattr(IfcMemberTypeEnum, 'ARCH_SEGMENT', INDETERMINATE)
+brace = express_getattr(IfcMemberTypeEnum, 'BRACE', INDETERMINATE)
+chord = express_getattr(IfcMemberTypeEnum, 'CHORD', INDETERMINATE)
+collar = express_getattr(IfcMemberTypeEnum, 'COLLAR', INDETERMINATE)
+member = express_getattr(IfcMemberTypeEnum, 'MEMBER', INDETERMINATE)
+mullion = express_getattr(IfcMemberTypeEnum, 'MULLION', INDETERMINATE)
+plate = express_getattr(IfcMemberTypeEnum, 'PLATE', INDETERMINATE)
+post = express_getattr(IfcMemberTypeEnum, 'POST', INDETERMINATE)
+purlin = express_getattr(IfcMemberTypeEnum, 'PURLIN', INDETERMINATE)
+rafter = express_getattr(IfcMemberTypeEnum, 'RAFTER', INDETERMINATE)
+stay_cable = express_getattr(IfcMemberTypeEnum, 'STAY_CABLE', INDETERMINATE)
+stiffening_rib = express_getattr(IfcMemberTypeEnum, 'STIFFENING_RIB', INDETERMINATE)
+stringer = express_getattr(IfcMemberTypeEnum, 'STRINGER', INDETERMINATE)
+structuralcable = express_getattr(IfcMemberTypeEnum, 'STRUCTURALCABLE', INDETERMINATE)
+strut = express_getattr(IfcMemberTypeEnum, 'STRUT', INDETERMINATE)
+stud = express_getattr(IfcMemberTypeEnum, 'STUD', INDETERMINATE)
+suspender = express_getattr(IfcMemberTypeEnum, 'SUSPENDER', INDETERMINATE)
+suspension_cable = express_getattr(IfcMemberTypeEnum, 'SUSPENSION_CABLE', INDETERMINATE)
+tiebar = express_getattr(IfcMemberTypeEnum, 'TIEBAR', INDETERMINATE)
+userdefined = express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMobileTelecommunicationsApplianceTypeEnum = enum_namespace()
-accesspoint = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
-basebandunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
-basetransceiverstation = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
-e_utran_node_b = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
-gateway_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
-masterunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
-mobileswitchingcenter = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
-mscserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
-packetcontrolunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
-remoteradiounit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
-remoteunit = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
-service_gprs_support_node = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
-subscriberserver = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
-userdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+accesspoint = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'ACCESSPOINT', INDETERMINATE)
+basebandunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASEBANDUNIT', INDETERMINATE)
+basetransceiverstation = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'BASETRANSCEIVERSTATION', INDETERMINATE)
+e_utran_node_b = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'E_UTRAN_NODE_B', INDETERMINATE)
+gateway_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'GATEWAY_GPRS_SUPPORT_NODE', INDETERMINATE)
+masterunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MASTERUNIT', INDETERMINATE)
+mobileswitchingcenter = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MOBILESWITCHINGCENTER', INDETERMINATE)
+mscserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'MSCSERVER', INDETERMINATE)
+packetcontrolunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'PACKETCONTROLUNIT', INDETERMINATE)
+remoteradiounit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTERADIOUNIT', INDETERMINATE)
+remoteunit = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'REMOTEUNIT', INDETERMINATE)
+service_gprs_support_node = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SERVICE_GPRS_SUPPORT_NODE', INDETERMINATE)
+subscriberserver = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'SUBSCRIBERSERVER', INDETERMINATE)
+userdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMooringDeviceTypeEnum = enum_namespace()
-bollard = getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
-linetensioner = getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
-magneticdevice = getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
-mooringhooks = getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
-vacuumdevice = getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
-userdefined = getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bollard = express_getattr(IfcMooringDeviceTypeEnum, 'BOLLARD', INDETERMINATE)
+linetensioner = express_getattr(IfcMooringDeviceTypeEnum, 'LINETENSIONER', INDETERMINATE)
+magneticdevice = express_getattr(IfcMooringDeviceTypeEnum, 'MAGNETICDEVICE', INDETERMINATE)
+mooringhooks = express_getattr(IfcMooringDeviceTypeEnum, 'MOORINGHOOKS', INDETERMINATE)
+vacuumdevice = express_getattr(IfcMooringDeviceTypeEnum, 'VACUUMDEVICE', INDETERMINATE)
+userdefined = express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMooringDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcMotorConnectionTypeEnum = enum_namespace()
-beltdrive = getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
-coupling = getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
-directdrive = getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
-userdefined = getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beltdrive = express_getattr(IfcMotorConnectionTypeEnum, 'BELTDRIVE', INDETERMINATE)
+coupling = express_getattr(IfcMotorConnectionTypeEnum, 'COUPLING', INDETERMINATE)
+directdrive = express_getattr(IfcMotorConnectionTypeEnum, 'DIRECTDRIVE', INDETERMINATE)
+userdefined = express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcMotorConnectionTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcNavigationElementTypeEnum = enum_namespace()
-beacon = getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
-buoy = getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
-userdefined = getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+beacon = express_getattr(IfcNavigationElementTypeEnum, 'BEACON', INDETERMINATE)
+buoy = express_getattr(IfcNavigationElementTypeEnum, 'BUOY', INDETERMINATE)
+userdefined = express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcNavigationElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcObjectiveEnum = enum_namespace()
-codecompliance = getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
-codewaiver = getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
-designintent = getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
-external = getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
-healthandsafety = getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
-mergeconflict = getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
-modelview = getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
-parameter = getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
-requirement = getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
-specification = getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
-triggercondition = getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
-userdefined = getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
+codecompliance = express_getattr(IfcObjectiveEnum, 'CODECOMPLIANCE', INDETERMINATE)
+codewaiver = express_getattr(IfcObjectiveEnum, 'CODEWAIVER', INDETERMINATE)
+designintent = express_getattr(IfcObjectiveEnum, 'DESIGNINTENT', INDETERMINATE)
+external = express_getattr(IfcObjectiveEnum, 'EXTERNAL', INDETERMINATE)
+healthandsafety = express_getattr(IfcObjectiveEnum, 'HEALTHANDSAFETY', INDETERMINATE)
+mergeconflict = express_getattr(IfcObjectiveEnum, 'MERGECONFLICT', INDETERMINATE)
+modelview = express_getattr(IfcObjectiveEnum, 'MODELVIEW', INDETERMINATE)
+parameter = express_getattr(IfcObjectiveEnum, 'PARAMETER', INDETERMINATE)
+requirement = express_getattr(IfcObjectiveEnum, 'REQUIREMENT', INDETERMINATE)
+specification = express_getattr(IfcObjectiveEnum, 'SPECIFICATION', INDETERMINATE)
+triggercondition = express_getattr(IfcObjectiveEnum, 'TRIGGERCONDITION', INDETERMINATE)
+userdefined = express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcObjectiveEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOccupantTypeEnum = enum_namespace()
-assignee = getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
-assignor = getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
-lessee = getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
-lessor = getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
-lettingagent = getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
-owner = getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
-tenant = getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
-userdefined = getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
+assignee = express_getattr(IfcOccupantTypeEnum, 'ASSIGNEE', INDETERMINATE)
+assignor = express_getattr(IfcOccupantTypeEnum, 'ASSIGNOR', INDETERMINATE)
+lessee = express_getattr(IfcOccupantTypeEnum, 'LESSEE', INDETERMINATE)
+lessor = express_getattr(IfcOccupantTypeEnum, 'LESSOR', INDETERMINATE)
+lettingagent = express_getattr(IfcOccupantTypeEnum, 'LETTINGAGENT', INDETERMINATE)
+owner = express_getattr(IfcOccupantTypeEnum, 'OWNER', INDETERMINATE)
+tenant = express_getattr(IfcOccupantTypeEnum, 'TENANT', INDETERMINATE)
+userdefined = express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOccupantTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOpeningElementTypeEnum = enum_namespace()
-opening = getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
-recess = getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
-userdefined = getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+opening = express_getattr(IfcOpeningElementTypeEnum, 'OPENING', INDETERMINATE)
+recess = express_getattr(IfcOpeningElementTypeEnum, 'RECESS', INDETERMINATE)
+userdefined = express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOpeningElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcOutletTypeEnum = enum_namespace()
-audiovisualoutlet = getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
-communicationsoutlet = getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
-dataoutlet = getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
-poweroutlet = getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
-telephoneoutlet = getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
-userdefined = getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audiovisualoutlet = express_getattr(IfcOutletTypeEnum, 'AUDIOVISUALOUTLET', INDETERMINATE)
+communicationsoutlet = express_getattr(IfcOutletTypeEnum, 'COMMUNICATIONSOUTLET', INDETERMINATE)
+dataoutlet = express_getattr(IfcOutletTypeEnum, 'DATAOUTLET', INDETERMINATE)
+poweroutlet = express_getattr(IfcOutletTypeEnum, 'POWEROUTLET', INDETERMINATE)
+telephoneoutlet = express_getattr(IfcOutletTypeEnum, 'TELEPHONEOUTLET', INDETERMINATE)
+userdefined = express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcOutletTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPavementTypeEnum = enum_namespace()
-flexible = getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
-rigid = getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
-userdefined = getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+flexible = express_getattr(IfcPavementTypeEnum, 'FLEXIBLE', INDETERMINATE)
+rigid = express_getattr(IfcPavementTypeEnum, 'RIGID', INDETERMINATE)
+userdefined = express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPavementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPerformanceHistoryTypeEnum = enum_namespace()
-userdefined = getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPerformanceHistoryTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermeableCoveringOperationEnum = enum_namespace()
-grill = getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
-louver = getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
-screen = getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
-userdefined = getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
+grill = express_getattr(IfcPermeableCoveringOperationEnum, 'GRILL', INDETERMINATE)
+louver = express_getattr(IfcPermeableCoveringOperationEnum, 'LOUVER', INDETERMINATE)
+screen = express_getattr(IfcPermeableCoveringOperationEnum, 'SCREEN', INDETERMINATE)
+userdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermeableCoveringOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPermitTypeEnum = enum_namespace()
-access = getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
-building = getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
-work = getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+access = express_getattr(IfcPermitTypeEnum, 'ACCESS', INDETERMINATE)
+building = express_getattr(IfcPermitTypeEnum, 'BUILDING', INDETERMINATE)
+work = express_getattr(IfcPermitTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcPermitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPermitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPhysicalOrVirtualEnum = enum_namespace()
-physical = getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
-virtual = getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
-notdefined = getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
+physical = express_getattr(IfcPhysicalOrVirtualEnum, 'PHYSICAL', INDETERMINATE)
+virtual = express_getattr(IfcPhysicalOrVirtualEnum, 'VIRTUAL', INDETERMINATE)
+notdefined = express_getattr(IfcPhysicalOrVirtualEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileConstructionEnum = enum_namespace()
-cast_in_place = getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
-composite = getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
-precast_concrete = getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
-prefab_steel = getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
-userdefined = getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
+cast_in_place = express_getattr(IfcPileConstructionEnum, 'CAST_IN_PLACE', INDETERMINATE)
+composite = express_getattr(IfcPileConstructionEnum, 'COMPOSITE', INDETERMINATE)
+precast_concrete = express_getattr(IfcPileConstructionEnum, 'PRECAST_CONCRETE', INDETERMINATE)
+prefab_steel = express_getattr(IfcPileConstructionEnum, 'PREFAB_STEEL', INDETERMINATE)
+userdefined = express_getattr(IfcPileConstructionEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileConstructionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPileTypeEnum = enum_namespace()
-bored = getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
-cohesion = getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
-driven = getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
-friction = getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
-jetgrouting = getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
-support = getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
-userdefined = getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bored = express_getattr(IfcPileTypeEnum, 'BORED', INDETERMINATE)
+cohesion = express_getattr(IfcPileTypeEnum, 'COHESION', INDETERMINATE)
+driven = express_getattr(IfcPileTypeEnum, 'DRIVEN', INDETERMINATE)
+friction = express_getattr(IfcPileTypeEnum, 'FRICTION', INDETERMINATE)
+jetgrouting = express_getattr(IfcPileTypeEnum, 'JETGROUTING', INDETERMINATE)
+support = express_getattr(IfcPileTypeEnum, 'SUPPORT', INDETERMINATE)
+userdefined = express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPileTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeFittingTypeEnum = enum_namespace()
-bend = getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
-connector = getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
-entry = getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
-exit = getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
-junction = getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
-obstruction = getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
-transition = getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
-userdefined = getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bend = express_getattr(IfcPipeFittingTypeEnum, 'BEND', INDETERMINATE)
+connector = express_getattr(IfcPipeFittingTypeEnum, 'CONNECTOR', INDETERMINATE)
+entry = express_getattr(IfcPipeFittingTypeEnum, 'ENTRY', INDETERMINATE)
+exit = express_getattr(IfcPipeFittingTypeEnum, 'EXIT', INDETERMINATE)
+junction = express_getattr(IfcPipeFittingTypeEnum, 'JUNCTION', INDETERMINATE)
+obstruction = express_getattr(IfcPipeFittingTypeEnum, 'OBSTRUCTION', INDETERMINATE)
+transition = express_getattr(IfcPipeFittingTypeEnum, 'TRANSITION', INDETERMINATE)
+userdefined = express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeFittingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPipeSegmentTypeEnum = enum_namespace()
-culvert = getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
-flexiblesegment = getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
-gutter = getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
-rigidsegment = getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
-spool = getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
-userdefined = getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+culvert = express_getattr(IfcPipeSegmentTypeEnum, 'CULVERT', INDETERMINATE)
+flexiblesegment = express_getattr(IfcPipeSegmentTypeEnum, 'FLEXIBLESEGMENT', INDETERMINATE)
+gutter = express_getattr(IfcPipeSegmentTypeEnum, 'GUTTER', INDETERMINATE)
+rigidsegment = express_getattr(IfcPipeSegmentTypeEnum, 'RIGIDSEGMENT', INDETERMINATE)
+spool = express_getattr(IfcPipeSegmentTypeEnum, 'SPOOL', INDETERMINATE)
+userdefined = express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPipeSegmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPlateTypeEnum = enum_namespace()
-base_plate = getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
-cover_plate = getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
-curtain_panel = getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
-flange_plate = getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
-gusset_plate = getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
-sheet = getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
-splice_plate = getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
-stiffener_plate = getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
-web_plate = getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
-userdefined = getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base_plate = express_getattr(IfcPlateTypeEnum, 'BASE_PLATE', INDETERMINATE)
+cover_plate = express_getattr(IfcPlateTypeEnum, 'COVER_PLATE', INDETERMINATE)
+curtain_panel = express_getattr(IfcPlateTypeEnum, 'CURTAIN_PANEL', INDETERMINATE)
+flange_plate = express_getattr(IfcPlateTypeEnum, 'FLANGE_PLATE', INDETERMINATE)
+gusset_plate = express_getattr(IfcPlateTypeEnum, 'GUSSET_PLATE', INDETERMINATE)
+sheet = express_getattr(IfcPlateTypeEnum, 'SHEET', INDETERMINATE)
+splice_plate = express_getattr(IfcPlateTypeEnum, 'SPLICE_PLATE', INDETERMINATE)
+stiffener_plate = express_getattr(IfcPlateTypeEnum, 'STIFFENER_PLATE', INDETERMINATE)
+web_plate = express_getattr(IfcPlateTypeEnum, 'WEB_PLATE', INDETERMINATE)
+userdefined = express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPlateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPreferredSurfaceCurveRepresentation = enum_namespace()
-curve3d = getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
-pcurve_s1 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
-pcurve_s2 = getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
+curve3d = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'CURVE3D', INDETERMINATE)
+pcurve_s1 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S1', INDETERMINATE)
+pcurve_s2 = express_getattr(IfcPreferredSurfaceCurveRepresentation, 'PCURVE_S2', INDETERMINATE)
 IfcProcedureTypeEnum = enum_namespace()
-advice_caution = getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
-advice_note = getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
-advice_warning = getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
-calibration = getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
-diagnostic = getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
-shutdown = getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
-userdefined = getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+advice_caution = express_getattr(IfcProcedureTypeEnum, 'ADVICE_CAUTION', INDETERMINATE)
+advice_note = express_getattr(IfcProcedureTypeEnum, 'ADVICE_NOTE', INDETERMINATE)
+advice_warning = express_getattr(IfcProcedureTypeEnum, 'ADVICE_WARNING', INDETERMINATE)
+calibration = express_getattr(IfcProcedureTypeEnum, 'CALIBRATION', INDETERMINATE)
+diagnostic = express_getattr(IfcProcedureTypeEnum, 'DIAGNOSTIC', INDETERMINATE)
+shutdown = express_getattr(IfcProcedureTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcProcedureTypeEnum, 'STARTUP', INDETERMINATE)
+userdefined = express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProcedureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProfileTypeEnum = enum_namespace()
-area = getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
-curve = getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
+area = express_getattr(IfcProfileTypeEnum, 'AREA', INDETERMINATE)
+curve = express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)
 IfcProjectOrderTypeEnum = enum_namespace()
-changeorder = getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
-maintenanceworkorder = getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
-moveorder = getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
-purchaseorder = getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
-workorder = getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
-userdefined = getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
+changeorder = express_getattr(IfcProjectOrderTypeEnum, 'CHANGEORDER', INDETERMINATE)
+maintenanceworkorder = express_getattr(IfcProjectOrderTypeEnum, 'MAINTENANCEWORKORDER', INDETERMINATE)
+moveorder = express_getattr(IfcProjectOrderTypeEnum, 'MOVEORDER', INDETERMINATE)
+purchaseorder = express_getattr(IfcProjectOrderTypeEnum, 'PURCHASEORDER', INDETERMINATE)
+workorder = express_getattr(IfcProjectOrderTypeEnum, 'WORKORDER', INDETERMINATE)
+userdefined = express_getattr(IfcProjectOrderTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectOrderTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProjectedOrTrueLengthEnum = enum_namespace()
-projected_length = getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
-true_length = getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
+projected_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'PROJECTED_LENGTH', INDETERMINATE)
+true_length = express_getattr(IfcProjectedOrTrueLengthEnum, 'TRUE_LENGTH', INDETERMINATE)
 IfcProjectionElementTypeEnum = enum_namespace()
-blister = getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
-deviator = getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
-userdefined = getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blister = express_getattr(IfcProjectionElementTypeEnum, 'BLISTER', INDETERMINATE)
+deviator = express_getattr(IfcProjectionElementTypeEnum, 'DEVIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProjectionElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPropertySetTemplateTypeEnum = enum_namespace()
-pset_materialdriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
-pset_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
-pset_performancedriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
-pset_profiledriven = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
-pset_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
-pset_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
-qto_occurrencedriven = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
-qto_typedrivenonly = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
-qto_typedrivenoverride = getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
-notdefined = getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
+pset_materialdriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_MATERIALDRIVEN', INDETERMINATE)
+pset_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_OCCURRENCEDRIVEN', INDETERMINATE)
+pset_performancedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PERFORMANCEDRIVEN', INDETERMINATE)
+pset_profiledriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_PROFILEDRIVEN', INDETERMINATE)
+pset_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENONLY', INDETERMINATE)
+pset_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'PSET_TYPEDRIVENOVERRIDE', INDETERMINATE)
+qto_occurrencedriven = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_OCCURRENCEDRIVEN', INDETERMINATE)
+qto_typedrivenonly = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENONLY', INDETERMINATE)
+qto_typedrivenoverride = express_getattr(IfcPropertySetTemplateTypeEnum, 'QTO_TYPEDRIVENOVERRIDE', INDETERMINATE)
+notdefined = express_getattr(IfcPropertySetTemplateTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTrippingUnitTypeEnum = enum_namespace()
-electromagnetic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
-electronic = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
-residualcurrent = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
-thermal = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+electromagnetic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTROMAGNETIC', INDETERMINATE)
+electronic = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'ELECTRONIC', INDETERMINATE)
+residualcurrent = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'RESIDUALCURRENT', INDETERMINATE)
+thermal = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'THERMAL', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcProtectiveDeviceTypeEnum = enum_namespace()
-anti_arcing_device = getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
-circuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
-earthingswitch = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
-earthleakagecircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
-fusedisconnector = getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
-residualcurrentcircuitbreaker = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
-residualcurrentswitch = getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
-sparkgap = getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
-varistor = getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
-voltagelimiter = getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
-userdefined = getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anti_arcing_device = express_getattr(IfcProtectiveDeviceTypeEnum, 'ANTI_ARCING_DEVICE', INDETERMINATE)
+circuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'CIRCUITBREAKER', INDETERMINATE)
+earthingswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHINGSWITCH', INDETERMINATE)
+earthleakagecircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'EARTHLEAKAGECIRCUITBREAKER', INDETERMINATE)
+fusedisconnector = express_getattr(IfcProtectiveDeviceTypeEnum, 'FUSEDISCONNECTOR', INDETERMINATE)
+residualcurrentcircuitbreaker = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTCIRCUITBREAKER', INDETERMINATE)
+residualcurrentswitch = express_getattr(IfcProtectiveDeviceTypeEnum, 'RESIDUALCURRENTSWITCH', INDETERMINATE)
+sparkgap = express_getattr(IfcProtectiveDeviceTypeEnum, 'SPARKGAP', INDETERMINATE)
+varistor = express_getattr(IfcProtectiveDeviceTypeEnum, 'VARISTOR', INDETERMINATE)
+voltagelimiter = express_getattr(IfcProtectiveDeviceTypeEnum, 'VOLTAGELIMITER', INDETERMINATE)
+userdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcProtectiveDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcPumpTypeEnum = enum_namespace()
-circulator = getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
-endsuction = getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
-splitcase = getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
-submersiblepump = getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
-sumppump = getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
-verticalinline = getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
-verticalturbine = getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
-userdefined = getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
+circulator = express_getattr(IfcPumpTypeEnum, 'CIRCULATOR', INDETERMINATE)
+endsuction = express_getattr(IfcPumpTypeEnum, 'ENDSUCTION', INDETERMINATE)
+splitcase = express_getattr(IfcPumpTypeEnum, 'SPLITCASE', INDETERMINATE)
+submersiblepump = express_getattr(IfcPumpTypeEnum, 'SUBMERSIBLEPUMP', INDETERMINATE)
+sumppump = express_getattr(IfcPumpTypeEnum, 'SUMPPUMP', INDETERMINATE)
+verticalinline = express_getattr(IfcPumpTypeEnum, 'VERTICALINLINE', INDETERMINATE)
+verticalturbine = express_getattr(IfcPumpTypeEnum, 'VERTICALTURBINE', INDETERMINATE)
+userdefined = express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcPumpTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailTypeEnum = enum_namespace()
-blade = getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
-checkrail = getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
-guardrail = getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
-rackrail = getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
-rail = getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
-stockrail = getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blade = express_getattr(IfcRailTypeEnum, 'BLADE', INDETERMINATE)
+checkrail = express_getattr(IfcRailTypeEnum, 'CHECKRAIL', INDETERMINATE)
+guardrail = express_getattr(IfcRailTypeEnum, 'GUARDRAIL', INDETERMINATE)
+rackrail = express_getattr(IfcRailTypeEnum, 'RACKRAIL', INDETERMINATE)
+rail = express_getattr(IfcRailTypeEnum, 'RAIL', INDETERMINATE)
+stockrail = express_getattr(IfcRailTypeEnum, 'STOCKRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailingTypeEnum = enum_namespace()
-balustrade = getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
-fence = getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
-guardrail = getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
-handrail = getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
-userdefined = getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
+balustrade = express_getattr(IfcRailingTypeEnum, 'BALUSTRADE', INDETERMINATE)
+fence = express_getattr(IfcRailingTypeEnum, 'FENCE', INDETERMINATE)
+guardrail = express_getattr(IfcRailingTypeEnum, 'GUARDRAIL', INDETERMINATE)
+handrail = express_getattr(IfcRailingTypeEnum, 'HANDRAIL', INDETERMINATE)
+userdefined = express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailingTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayPartTypeEnum = enum_namespace()
-dilatationsuperstructure = getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
-linesidestructure = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
-linesidestructurepart = getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
-plaintracksuperstructure = getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPERSTRUCTURE', INDETERMINATE)
-superstructure = getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
-trackstructure = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
-trackstructurepart = getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
-turnoutsuperstructure = getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
-userdefined = getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dilatationsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'DILATATIONSUPERSTRUCTURE', INDETERMINATE)
+linesidestructure = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTURE', INDETERMINATE)
+linesidestructurepart = express_getattr(IfcRailwayPartTypeEnum, 'LINESIDESTRUCTUREPART', INDETERMINATE)
+plaintracksuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'PLAINTRACKSUPERSTRUCTURE', INDETERMINATE)
+superstructure = express_getattr(IfcRailwayPartTypeEnum, 'SUPERSTRUCTURE', INDETERMINATE)
+trackstructure = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTURE', INDETERMINATE)
+trackstructurepart = express_getattr(IfcRailwayPartTypeEnum, 'TRACKSTRUCTUREPART', INDETERMINATE)
+turnoutsuperstructure = express_getattr(IfcRailwayPartTypeEnum, 'TURNOUTSUPERSTRUCTURE', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRailwayTypeEnum = enum_namespace()
-userdefined = getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRailwayTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampFlightTypeEnum = enum_namespace()
-spiral = getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-userdefined = getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+spiral = express_getattr(IfcRampFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcRampFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+userdefined = express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRampTypeEnum = enum_namespace()
-half_turn_ramp = getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
-quarter_turn_ramp = getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
-spiral_ramp = getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
-straight_run_ramp = getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
-two_quarter_turn_ramp = getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
-two_straight_run_ramp = getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
-userdefined = getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
+half_turn_ramp = express_getattr(IfcRampTypeEnum, 'HALF_TURN_RAMP', INDETERMINATE)
+quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'QUARTER_TURN_RAMP', INDETERMINATE)
+spiral_ramp = express_getattr(IfcRampTypeEnum, 'SPIRAL_RAMP', INDETERMINATE)
+straight_run_ramp = express_getattr(IfcRampTypeEnum, 'STRAIGHT_RUN_RAMP', INDETERMINATE)
+two_quarter_turn_ramp = express_getattr(IfcRampTypeEnum, 'TWO_QUARTER_TURN_RAMP', INDETERMINATE)
+two_straight_run_ramp = express_getattr(IfcRampTypeEnum, 'TWO_STRAIGHT_RUN_RAMP', INDETERMINATE)
+userdefined = express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRampTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRecurrenceTypeEnum = enum_namespace()
-by_day_count = getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
-by_weekday_count = getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
-daily = getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
-monthly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
-monthly_by_position = getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
-weekly = getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
-yearly_by_day_of_month = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
-yearly_by_position = getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
+by_day_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_DAY_COUNT', INDETERMINATE)
+by_weekday_count = express_getattr(IfcRecurrenceTypeEnum, 'BY_WEEKDAY_COUNT', INDETERMINATE)
+daily = express_getattr(IfcRecurrenceTypeEnum, 'DAILY', INDETERMINATE)
+monthly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_DAY_OF_MONTH', INDETERMINATE)
+monthly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'MONTHLY_BY_POSITION', INDETERMINATE)
+weekly = express_getattr(IfcRecurrenceTypeEnum, 'WEEKLY', INDETERMINATE)
+yearly_by_day_of_month = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_DAY_OF_MONTH', INDETERMINATE)
+yearly_by_position = express_getattr(IfcRecurrenceTypeEnum, 'YEARLY_BY_POSITION', INDETERMINATE)
 IfcReferentTypeEnum = enum_namespace()
-boundary = getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
-intersection = getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
-kilopoint = getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
-landmark = getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
-milepoint = getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
-position = getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
-referencemarker = getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
-station = getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
-userdefined = getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcReferentTypeEnum, 'BOUNDARY', INDETERMINATE)
+intersection = express_getattr(IfcReferentTypeEnum, 'INTERSECTION', INDETERMINATE)
+kilopoint = express_getattr(IfcReferentTypeEnum, 'KILOPOINT', INDETERMINATE)
+landmark = express_getattr(IfcReferentTypeEnum, 'LANDMARK', INDETERMINATE)
+milepoint = express_getattr(IfcReferentTypeEnum, 'MILEPOINT', INDETERMINATE)
+position = express_getattr(IfcReferentTypeEnum, 'POSITION', INDETERMINATE)
+referencemarker = express_getattr(IfcReferentTypeEnum, 'REFERENCEMARKER', INDETERMINATE)
+station = express_getattr(IfcReferentTypeEnum, 'STATION', INDETERMINATE)
+userdefined = express_getattr(IfcReferentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReferentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReflectanceMethodEnum = enum_namespace()
-blinn = getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
-flat = getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
-glass = getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
-matt = getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
-metal = getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
-mirror = getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
-phong = getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
-physical = getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
-plastic = getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
-strauss = getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
-notdefined = getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
+blinn = express_getattr(IfcReflectanceMethodEnum, 'BLINN', INDETERMINATE)
+flat = express_getattr(IfcReflectanceMethodEnum, 'FLAT', INDETERMINATE)
+glass = express_getattr(IfcReflectanceMethodEnum, 'GLASS', INDETERMINATE)
+matt = express_getattr(IfcReflectanceMethodEnum, 'MATT', INDETERMINATE)
+metal = express_getattr(IfcReflectanceMethodEnum, 'METAL', INDETERMINATE)
+mirror = express_getattr(IfcReflectanceMethodEnum, 'MIRROR', INDETERMINATE)
+phong = express_getattr(IfcReflectanceMethodEnum, 'PHONG', INDETERMINATE)
+physical = express_getattr(IfcReflectanceMethodEnum, 'PHYSICAL', INDETERMINATE)
+plastic = express_getattr(IfcReflectanceMethodEnum, 'PLASTIC', INDETERMINATE)
+strauss = express_getattr(IfcReflectanceMethodEnum, 'STRAUSS', INDETERMINATE)
+notdefined = express_getattr(IfcReflectanceMethodEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcedSoilTypeEnum = enum_namespace()
-dynamicallycompacted = getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
-grouted = getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
-replaced = getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
-rollercompacted = getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
-surchargepreloaded = getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
-verticallydrained = getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
-userdefined = getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
+dynamicallycompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'DYNAMICALLYCOMPACTED', INDETERMINATE)
+grouted = express_getattr(IfcReinforcedSoilTypeEnum, 'GROUTED', INDETERMINATE)
+replaced = express_getattr(IfcReinforcedSoilTypeEnum, 'REPLACED', INDETERMINATE)
+rollercompacted = express_getattr(IfcReinforcedSoilTypeEnum, 'ROLLERCOMPACTED', INDETERMINATE)
+surchargepreloaded = express_getattr(IfcReinforcedSoilTypeEnum, 'SURCHARGEPRELOADED', INDETERMINATE)
+verticallydrained = express_getattr(IfcReinforcedSoilTypeEnum, 'VERTICALLYDRAINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcedSoilTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarRoleEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarRoleEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarRoleEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarRoleEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarRoleEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarRoleEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarRoleEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarRoleEnum, 'SHEAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarRoleEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarRoleEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarRoleEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingBarSurfaceEnum = enum_namespace()
-plain = getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
-textured = getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
+plain = express_getattr(IfcReinforcingBarSurfaceEnum, 'PLAIN', INDETERMINATE)
+textured = express_getattr(IfcReinforcingBarSurfaceEnum, 'TEXTURED', INDETERMINATE)
 IfcReinforcingBarTypeEnum = enum_namespace()
-anchoring = getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
-edge = getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
-ligature = getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
-main = getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
-punching = getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
-ring = getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
-shear = getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
-spacebar = getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
-stud = getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
-userdefined = getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+anchoring = express_getattr(IfcReinforcingBarTypeEnum, 'ANCHORING', INDETERMINATE)
+edge = express_getattr(IfcReinforcingBarTypeEnum, 'EDGE', INDETERMINATE)
+ligature = express_getattr(IfcReinforcingBarTypeEnum, 'LIGATURE', INDETERMINATE)
+main = express_getattr(IfcReinforcingBarTypeEnum, 'MAIN', INDETERMINATE)
+punching = express_getattr(IfcReinforcingBarTypeEnum, 'PUNCHING', INDETERMINATE)
+ring = express_getattr(IfcReinforcingBarTypeEnum, 'RING', INDETERMINATE)
+shear = express_getattr(IfcReinforcingBarTypeEnum, 'SHEAR', INDETERMINATE)
+spacebar = express_getattr(IfcReinforcingBarTypeEnum, 'SPACEBAR', INDETERMINATE)
+stud = express_getattr(IfcReinforcingBarTypeEnum, 'STUD', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingBarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcReinforcingMeshTypeEnum = enum_namespace()
-userdefined = getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcReinforcingMeshTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadPartTypeEnum = enum_namespace()
-bicyclecrossing = getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
-bus_stop = getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
-carriageway = getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
-centralisland = getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
-centralreserve = getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
-hardshoulder = getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
-intersection = getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
-layby = getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
-parkingbay = getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
-passingbay = getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
-pedestrian_crossing = getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
-railwaycrossing = getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
-refugeisland = getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
-roadsegment = getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
-roadside = getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
-roadsidepart = getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
-roadwayplateau = getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
-roundabout = getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
-shoulder = getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
-sidewalk = getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
-softshoulder = getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
-tollplaza = getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
-trafficisland = getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
-trafficlane = getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
-userdefined = getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bicyclecrossing = express_getattr(IfcRoadPartTypeEnum, 'BICYCLECROSSING', INDETERMINATE)
+bus_stop = express_getattr(IfcRoadPartTypeEnum, 'BUS_STOP', INDETERMINATE)
+carriageway = express_getattr(IfcRoadPartTypeEnum, 'CARRIAGEWAY', INDETERMINATE)
+centralisland = express_getattr(IfcRoadPartTypeEnum, 'CENTRALISLAND', INDETERMINATE)
+centralreserve = express_getattr(IfcRoadPartTypeEnum, 'CENTRALRESERVE', INDETERMINATE)
+hardshoulder = express_getattr(IfcRoadPartTypeEnum, 'HARDSHOULDER', INDETERMINATE)
+intersection = express_getattr(IfcRoadPartTypeEnum, 'INTERSECTION', INDETERMINATE)
+layby = express_getattr(IfcRoadPartTypeEnum, 'LAYBY', INDETERMINATE)
+parkingbay = express_getattr(IfcRoadPartTypeEnum, 'PARKINGBAY', INDETERMINATE)
+passingbay = express_getattr(IfcRoadPartTypeEnum, 'PASSINGBAY', INDETERMINATE)
+pedestrian_crossing = express_getattr(IfcRoadPartTypeEnum, 'PEDESTRIAN_CROSSING', INDETERMINATE)
+railwaycrossing = express_getattr(IfcRoadPartTypeEnum, 'RAILWAYCROSSING', INDETERMINATE)
+refugeisland = express_getattr(IfcRoadPartTypeEnum, 'REFUGEISLAND', INDETERMINATE)
+roadsegment = express_getattr(IfcRoadPartTypeEnum, 'ROADSEGMENT', INDETERMINATE)
+roadside = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDE', INDETERMINATE)
+roadsidepart = express_getattr(IfcRoadPartTypeEnum, 'ROADSIDEPART', INDETERMINATE)
+roadwayplateau = express_getattr(IfcRoadPartTypeEnum, 'ROADWAYPLATEAU', INDETERMINATE)
+roundabout = express_getattr(IfcRoadPartTypeEnum, 'ROUNDABOUT', INDETERMINATE)
+shoulder = express_getattr(IfcRoadPartTypeEnum, 'SHOULDER', INDETERMINATE)
+sidewalk = express_getattr(IfcRoadPartTypeEnum, 'SIDEWALK', INDETERMINATE)
+softshoulder = express_getattr(IfcRoadPartTypeEnum, 'SOFTSHOULDER', INDETERMINATE)
+tollplaza = express_getattr(IfcRoadPartTypeEnum, 'TOLLPLAZA', INDETERMINATE)
+trafficisland = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICISLAND', INDETERMINATE)
+trafficlane = express_getattr(IfcRoadPartTypeEnum, 'TRAFFICLANE', INDETERMINATE)
+userdefined = express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadPartTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoadTypeEnum = enum_namespace()
-userdefined = getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
+userdefined = express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoadTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcRoleEnum = enum_namespace()
-architect = getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
-buildingoperator = getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
-buildingowner = getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
-civilengineer = getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
-client = getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
-commissioningengineer = getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
-constructionmanager = getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
-consultant = getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
-contractor = getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
-costengineer = getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
-electricalengineer = getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
-engineer = getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
-facilitiesmanager = getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
-fieldconstructionmanager = getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
-manufacturer = getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
-mechanicalengineer = getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
-owner = getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
-projectmanager = getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
-reseller = getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
-structuralengineer = getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
-subcontractor = getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
-supplier = getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
-userdefined = getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
+architect = express_getattr(IfcRoleEnum, 'ARCHITECT', INDETERMINATE)
+buildingoperator = express_getattr(IfcRoleEnum, 'BUILDINGOPERATOR', INDETERMINATE)
+buildingowner = express_getattr(IfcRoleEnum, 'BUILDINGOWNER', INDETERMINATE)
+civilengineer = express_getattr(IfcRoleEnum, 'CIVILENGINEER', INDETERMINATE)
+client = express_getattr(IfcRoleEnum, 'CLIENT', INDETERMINATE)
+commissioningengineer = express_getattr(IfcRoleEnum, 'COMMISSIONINGENGINEER', INDETERMINATE)
+constructionmanager = express_getattr(IfcRoleEnum, 'CONSTRUCTIONMANAGER', INDETERMINATE)
+consultant = express_getattr(IfcRoleEnum, 'CONSULTANT', INDETERMINATE)
+contractor = express_getattr(IfcRoleEnum, 'CONTRACTOR', INDETERMINATE)
+costengineer = express_getattr(IfcRoleEnum, 'COSTENGINEER', INDETERMINATE)
+electricalengineer = express_getattr(IfcRoleEnum, 'ELECTRICALENGINEER', INDETERMINATE)
+engineer = express_getattr(IfcRoleEnum, 'ENGINEER', INDETERMINATE)
+facilitiesmanager = express_getattr(IfcRoleEnum, 'FACILITIESMANAGER', INDETERMINATE)
+fieldconstructionmanager = express_getattr(IfcRoleEnum, 'FIELDCONSTRUCTIONMANAGER', INDETERMINATE)
+manufacturer = express_getattr(IfcRoleEnum, 'MANUFACTURER', INDETERMINATE)
+mechanicalengineer = express_getattr(IfcRoleEnum, 'MECHANICALENGINEER', INDETERMINATE)
+owner = express_getattr(IfcRoleEnum, 'OWNER', INDETERMINATE)
+projectmanager = express_getattr(IfcRoleEnum, 'PROJECTMANAGER', INDETERMINATE)
+reseller = express_getattr(IfcRoleEnum, 'RESELLER', INDETERMINATE)
+structuralengineer = express_getattr(IfcRoleEnum, 'STRUCTURALENGINEER', INDETERMINATE)
+subcontractor = express_getattr(IfcRoleEnum, 'SUBCONTRACTOR', INDETERMINATE)
+supplier = express_getattr(IfcRoleEnum, 'SUPPLIER', INDETERMINATE)
+userdefined = express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE)
 IfcRoofTypeEnum = enum_namespace()
-barrel_roof = getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
-butterfly_roof = getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
-dome_roof = getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
-flat_roof = getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
-freeform = getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
-gable_roof = getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
-gambrel_roof = getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
-hipped_gable_roof = getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
-hip_roof = getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
-mansard_roof = getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
-pavilion_roof = getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
-rainbow_roof = getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
-shed_roof = getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
-userdefined = getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
+barrel_roof = express_getattr(IfcRoofTypeEnum, 'BARREL_ROOF', INDETERMINATE)
+butterfly_roof = express_getattr(IfcRoofTypeEnum, 'BUTTERFLY_ROOF', INDETERMINATE)
+dome_roof = express_getattr(IfcRoofTypeEnum, 'DOME_ROOF', INDETERMINATE)
+flat_roof = express_getattr(IfcRoofTypeEnum, 'FLAT_ROOF', INDETERMINATE)
+freeform = express_getattr(IfcRoofTypeEnum, 'FREEFORM', INDETERMINATE)
+gable_roof = express_getattr(IfcRoofTypeEnum, 'GABLE_ROOF', INDETERMINATE)
+gambrel_roof = express_getattr(IfcRoofTypeEnum, 'GAMBREL_ROOF', INDETERMINATE)
+hipped_gable_roof = express_getattr(IfcRoofTypeEnum, 'HIPPED_GABLE_ROOF', INDETERMINATE)
+hip_roof = express_getattr(IfcRoofTypeEnum, 'HIP_ROOF', INDETERMINATE)
+mansard_roof = express_getattr(IfcRoofTypeEnum, 'MANSARD_ROOF', INDETERMINATE)
+pavilion_roof = express_getattr(IfcRoofTypeEnum, 'PAVILION_ROOF', INDETERMINATE)
+rainbow_roof = express_getattr(IfcRoofTypeEnum, 'RAINBOW_ROOF', INDETERMINATE)
+shed_roof = express_getattr(IfcRoofTypeEnum, 'SHED_ROOF', INDETERMINATE)
+userdefined = express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcRoofTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSIPrefix = enum_namespace()
-atto = getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
-centi = getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
-deca = getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
-deci = getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
-exa = getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
-femto = getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
-giga = getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
-hecto = getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
-kilo = getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
-mega = getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
-micro = getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
-milli = getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
-nano = getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
-peta = getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
-pico = getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
-tera = getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
+atto = express_getattr(IfcSIPrefix, 'ATTO', INDETERMINATE)
+centi = express_getattr(IfcSIPrefix, 'CENTI', INDETERMINATE)
+deca = express_getattr(IfcSIPrefix, 'DECA', INDETERMINATE)
+deci = express_getattr(IfcSIPrefix, 'DECI', INDETERMINATE)
+exa = express_getattr(IfcSIPrefix, 'EXA', INDETERMINATE)
+femto = express_getattr(IfcSIPrefix, 'FEMTO', INDETERMINATE)
+giga = express_getattr(IfcSIPrefix, 'GIGA', INDETERMINATE)
+hecto = express_getattr(IfcSIPrefix, 'HECTO', INDETERMINATE)
+kilo = express_getattr(IfcSIPrefix, 'KILO', INDETERMINATE)
+mega = express_getattr(IfcSIPrefix, 'MEGA', INDETERMINATE)
+micro = express_getattr(IfcSIPrefix, 'MICRO', INDETERMINATE)
+milli = express_getattr(IfcSIPrefix, 'MILLI', INDETERMINATE)
+nano = express_getattr(IfcSIPrefix, 'NANO', INDETERMINATE)
+peta = express_getattr(IfcSIPrefix, 'PETA', INDETERMINATE)
+pico = express_getattr(IfcSIPrefix, 'PICO', INDETERMINATE)
+tera = express_getattr(IfcSIPrefix, 'TERA', INDETERMINATE)
 IfcSIUnitName = enum_namespace()
-ampere = getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
-becquerel = getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
-candela = getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
-coulomb = getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
-cubic_metre = getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
-degree_celsius = getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
-farad = getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
-gram = getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
-gray = getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
-henry = getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
-hertz = getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
-joule = getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
-kelvin = getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
-lumen = getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
-lux = getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
-metre = getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
-mole = getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
-newton = getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
-ohm = getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
-pascal = getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
-radian = getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
-second = getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
-siemens = getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
-sievert = getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
-square_metre = getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
-steradian = getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
-tesla = getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
-volt = getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
-watt = getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
-weber = getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
+ampere = express_getattr(IfcSIUnitName, 'AMPERE', INDETERMINATE)
+becquerel = express_getattr(IfcSIUnitName, 'BECQUEREL', INDETERMINATE)
+candela = express_getattr(IfcSIUnitName, 'CANDELA', INDETERMINATE)
+coulomb = express_getattr(IfcSIUnitName, 'COULOMB', INDETERMINATE)
+cubic_metre = express_getattr(IfcSIUnitName, 'CUBIC_METRE', INDETERMINATE)
+degree_celsius = express_getattr(IfcSIUnitName, 'DEGREE_CELSIUS', INDETERMINATE)
+farad = express_getattr(IfcSIUnitName, 'FARAD', INDETERMINATE)
+gram = express_getattr(IfcSIUnitName, 'GRAM', INDETERMINATE)
+gray = express_getattr(IfcSIUnitName, 'GRAY', INDETERMINATE)
+henry = express_getattr(IfcSIUnitName, 'HENRY', INDETERMINATE)
+hertz = express_getattr(IfcSIUnitName, 'HERTZ', INDETERMINATE)
+joule = express_getattr(IfcSIUnitName, 'JOULE', INDETERMINATE)
+kelvin = express_getattr(IfcSIUnitName, 'KELVIN', INDETERMINATE)
+lumen = express_getattr(IfcSIUnitName, 'LUMEN', INDETERMINATE)
+lux = express_getattr(IfcSIUnitName, 'LUX', INDETERMINATE)
+metre = express_getattr(IfcSIUnitName, 'METRE', INDETERMINATE)
+mole = express_getattr(IfcSIUnitName, 'MOLE', INDETERMINATE)
+newton = express_getattr(IfcSIUnitName, 'NEWTON', INDETERMINATE)
+ohm = express_getattr(IfcSIUnitName, 'OHM', INDETERMINATE)
+pascal = express_getattr(IfcSIUnitName, 'PASCAL', INDETERMINATE)
+radian = express_getattr(IfcSIUnitName, 'RADIAN', INDETERMINATE)
+second = express_getattr(IfcSIUnitName, 'SECOND', INDETERMINATE)
+siemens = express_getattr(IfcSIUnitName, 'SIEMENS', INDETERMINATE)
+sievert = express_getattr(IfcSIUnitName, 'SIEVERT', INDETERMINATE)
+square_metre = express_getattr(IfcSIUnitName, 'SQUARE_METRE', INDETERMINATE)
+steradian = express_getattr(IfcSIUnitName, 'STERADIAN', INDETERMINATE)
+tesla = express_getattr(IfcSIUnitName, 'TESLA', INDETERMINATE)
+volt = express_getattr(IfcSIUnitName, 'VOLT', INDETERMINATE)
+watt = express_getattr(IfcSIUnitName, 'WATT', INDETERMINATE)
+weber = express_getattr(IfcSIUnitName, 'WEBER', INDETERMINATE)
 IfcSanitaryTerminalTypeEnum = enum_namespace()
-bath = getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
-bidet = getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
-cistern = getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
-sanitaryfountain = getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
-shower = getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
-sink = getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
-toiletpan = getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
-urinal = getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
-washhandbasin = getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
-wcseat = getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
-userdefined = getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bath = express_getattr(IfcSanitaryTerminalTypeEnum, 'BATH', INDETERMINATE)
+bidet = express_getattr(IfcSanitaryTerminalTypeEnum, 'BIDET', INDETERMINATE)
+cistern = express_getattr(IfcSanitaryTerminalTypeEnum, 'CISTERN', INDETERMINATE)
+sanitaryfountain = express_getattr(IfcSanitaryTerminalTypeEnum, 'SANITARYFOUNTAIN', INDETERMINATE)
+shower = express_getattr(IfcSanitaryTerminalTypeEnum, 'SHOWER', INDETERMINATE)
+sink = express_getattr(IfcSanitaryTerminalTypeEnum, 'SINK', INDETERMINATE)
+toiletpan = express_getattr(IfcSanitaryTerminalTypeEnum, 'TOILETPAN', INDETERMINATE)
+urinal = express_getattr(IfcSanitaryTerminalTypeEnum, 'URINAL', INDETERMINATE)
+washhandbasin = express_getattr(IfcSanitaryTerminalTypeEnum, 'WASHHANDBASIN', INDETERMINATE)
+wcseat = express_getattr(IfcSanitaryTerminalTypeEnum, 'WCSEAT', INDETERMINATE)
+userdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSanitaryTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSectionTypeEnum = enum_namespace()
-tapered = getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
-uniform = getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
+tapered = express_getattr(IfcSectionTypeEnum, 'TAPERED', INDETERMINATE)
+uniform = express_getattr(IfcSectionTypeEnum, 'UNIFORM', INDETERMINATE)
 IfcSensorTypeEnum = enum_namespace()
-co2sensor = getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
-conductancesensor = getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
-contactsensor = getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
-cosensor = getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
-earthquakesensor = getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
-firesensor = getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
-flowsensor = getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
-foreignobjectdetectionsensor = getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
-frostsensor = getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
-gassensor = getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
-heatsensor = getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
-humiditysensor = getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
-identifiersensor = getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
-ionconcentrationsensor = getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
-levelsensor = getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
-lightsensor = getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
-moisturesensor = getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
-movementsensor = getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
-obstaclesensor = getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
-phsensor = getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
-pressuresensor = getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
-radiationsensor = getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
-radioactivitysensor = getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
-rainsensor = getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
-smokesensor = getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
-snowdepthsensor = getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
-soundsensor = getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
-temperaturesensor = getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
-trainsensor = getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
-turnoutclosuresensor = getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
-wheelsensor = getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
-windsensor = getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
-userdefined = getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+co2sensor = express_getattr(IfcSensorTypeEnum, 'CO2SENSOR', INDETERMINATE)
+conductancesensor = express_getattr(IfcSensorTypeEnum, 'CONDUCTANCESENSOR', INDETERMINATE)
+contactsensor = express_getattr(IfcSensorTypeEnum, 'CONTACTSENSOR', INDETERMINATE)
+cosensor = express_getattr(IfcSensorTypeEnum, 'COSENSOR', INDETERMINATE)
+earthquakesensor = express_getattr(IfcSensorTypeEnum, 'EARTHQUAKESENSOR', INDETERMINATE)
+firesensor = express_getattr(IfcSensorTypeEnum, 'FIRESENSOR', INDETERMINATE)
+flowsensor = express_getattr(IfcSensorTypeEnum, 'FLOWSENSOR', INDETERMINATE)
+foreignobjectdetectionsensor = express_getattr(IfcSensorTypeEnum, 'FOREIGNOBJECTDETECTIONSENSOR', INDETERMINATE)
+frostsensor = express_getattr(IfcSensorTypeEnum, 'FROSTSENSOR', INDETERMINATE)
+gassensor = express_getattr(IfcSensorTypeEnum, 'GASSENSOR', INDETERMINATE)
+heatsensor = express_getattr(IfcSensorTypeEnum, 'HEATSENSOR', INDETERMINATE)
+humiditysensor = express_getattr(IfcSensorTypeEnum, 'HUMIDITYSENSOR', INDETERMINATE)
+identifiersensor = express_getattr(IfcSensorTypeEnum, 'IDENTIFIERSENSOR', INDETERMINATE)
+ionconcentrationsensor = express_getattr(IfcSensorTypeEnum, 'IONCONCENTRATIONSENSOR', INDETERMINATE)
+levelsensor = express_getattr(IfcSensorTypeEnum, 'LEVELSENSOR', INDETERMINATE)
+lightsensor = express_getattr(IfcSensorTypeEnum, 'LIGHTSENSOR', INDETERMINATE)
+moisturesensor = express_getattr(IfcSensorTypeEnum, 'MOISTURESENSOR', INDETERMINATE)
+movementsensor = express_getattr(IfcSensorTypeEnum, 'MOVEMENTSENSOR', INDETERMINATE)
+obstaclesensor = express_getattr(IfcSensorTypeEnum, 'OBSTACLESENSOR', INDETERMINATE)
+phsensor = express_getattr(IfcSensorTypeEnum, 'PHSENSOR', INDETERMINATE)
+pressuresensor = express_getattr(IfcSensorTypeEnum, 'PRESSURESENSOR', INDETERMINATE)
+radiationsensor = express_getattr(IfcSensorTypeEnum, 'RADIATIONSENSOR', INDETERMINATE)
+radioactivitysensor = express_getattr(IfcSensorTypeEnum, 'RADIOACTIVITYSENSOR', INDETERMINATE)
+rainsensor = express_getattr(IfcSensorTypeEnum, 'RAINSENSOR', INDETERMINATE)
+smokesensor = express_getattr(IfcSensorTypeEnum, 'SMOKESENSOR', INDETERMINATE)
+snowdepthsensor = express_getattr(IfcSensorTypeEnum, 'SNOWDEPTHSENSOR', INDETERMINATE)
+soundsensor = express_getattr(IfcSensorTypeEnum, 'SOUNDSENSOR', INDETERMINATE)
+temperaturesensor = express_getattr(IfcSensorTypeEnum, 'TEMPERATURESENSOR', INDETERMINATE)
+trainsensor = express_getattr(IfcSensorTypeEnum, 'TRAINSENSOR', INDETERMINATE)
+turnoutclosuresensor = express_getattr(IfcSensorTypeEnum, 'TURNOUTCLOSURESENSOR', INDETERMINATE)
+wheelsensor = express_getattr(IfcSensorTypeEnum, 'WHEELSENSOR', INDETERMINATE)
+windsensor = express_getattr(IfcSensorTypeEnum, 'WINDSENSOR', INDETERMINATE)
+userdefined = express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSensorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSequenceEnum = enum_namespace()
-finish_finish = getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
-finish_start = getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
-start_finish = getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
-start_start = getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
-userdefined = getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
+finish_finish = express_getattr(IfcSequenceEnum, 'FINISH_FINISH', INDETERMINATE)
+finish_start = express_getattr(IfcSequenceEnum, 'FINISH_START', INDETERMINATE)
+start_finish = express_getattr(IfcSequenceEnum, 'START_FINISH', INDETERMINATE)
+start_start = express_getattr(IfcSequenceEnum, 'START_START', INDETERMINATE)
+userdefined = express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSequenceEnum, 'NOTDEFINED', INDETERMINATE)
 IfcShadingDeviceTypeEnum = enum_namespace()
-awning = getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
-jalousie = getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
-shutter = getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
-userdefined = getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+awning = express_getattr(IfcShadingDeviceTypeEnum, 'AWNING', INDETERMINATE)
+jalousie = express_getattr(IfcShadingDeviceTypeEnum, 'JALOUSIE', INDETERMINATE)
+shutter = express_getattr(IfcShadingDeviceTypeEnum, 'SHUTTER', INDETERMINATE)
+userdefined = express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcShadingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignTypeEnum = enum_namespace()
-marker = getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
-mirror = getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
-pictoral = getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
-userdefined = getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
+marker = express_getattr(IfcSignTypeEnum, 'MARKER', INDETERMINATE)
+mirror = express_getattr(IfcSignTypeEnum, 'MIRROR', INDETERMINATE)
+pictoral = express_getattr(IfcSignTypeEnum, 'PICTORAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSignalTypeEnum = enum_namespace()
-audio = getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
-mixed = getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
-visual = getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
-userdefined = getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+audio = express_getattr(IfcSignalTypeEnum, 'AUDIO', INDETERMINATE)
+mixed = express_getattr(IfcSignalTypeEnum, 'MIXED', INDETERMINATE)
+visual = express_getattr(IfcSignalTypeEnum, 'VISUAL', INDETERMINATE)
+userdefined = express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSignalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSimplePropertyTemplateTypeEnum = enum_namespace()
-p_boundedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
-p_enumeratedvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
-p_listvalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
-p_referencevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
-p_singlevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
-p_tablevalue = getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
-q_area = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
-q_count = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
-q_length = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
-q_number = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
-q_time = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
-q_volume = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
-q_weight = getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
+p_boundedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_BOUNDEDVALUE', INDETERMINATE)
+p_enumeratedvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_ENUMERATEDVALUE', INDETERMINATE)
+p_listvalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_LISTVALUE', INDETERMINATE)
+p_referencevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_REFERENCEVALUE', INDETERMINATE)
+p_singlevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_SINGLEVALUE', INDETERMINATE)
+p_tablevalue = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'P_TABLEVALUE', INDETERMINATE)
+q_area = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_AREA', INDETERMINATE)
+q_count = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_COUNT', INDETERMINATE)
+q_length = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_LENGTH', INDETERMINATE)
+q_number = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_NUMBER', INDETERMINATE)
+q_time = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_TIME', INDETERMINATE)
+q_volume = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_VOLUME', INDETERMINATE)
+q_weight = express_getattr(IfcSimplePropertyTemplateTypeEnum, 'Q_WEIGHT', INDETERMINATE)
 IfcSlabTypeEnum = enum_namespace()
-approach_slab = getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
-baseslab = getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
-floor = getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
-landing = getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
-paving = getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
-roof = getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
-sidewalk = getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
-trackslab = getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
-wearing = getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
-userdefined = getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
+approach_slab = express_getattr(IfcSlabTypeEnum, 'APPROACH_SLAB', INDETERMINATE)
+baseslab = express_getattr(IfcSlabTypeEnum, 'BASESLAB', INDETERMINATE)
+floor = express_getattr(IfcSlabTypeEnum, 'FLOOR', INDETERMINATE)
+landing = express_getattr(IfcSlabTypeEnum, 'LANDING', INDETERMINATE)
+paving = express_getattr(IfcSlabTypeEnum, 'PAVING', INDETERMINATE)
+roof = express_getattr(IfcSlabTypeEnum, 'ROOF', INDETERMINATE)
+sidewalk = express_getattr(IfcSlabTypeEnum, 'SIDEWALK', INDETERMINATE)
+trackslab = express_getattr(IfcSlabTypeEnum, 'TRACKSLAB', INDETERMINATE)
+wearing = express_getattr(IfcSlabTypeEnum, 'WEARING', INDETERMINATE)
+userdefined = express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSlabTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSolarDeviceTypeEnum = enum_namespace()
-solarcollector = getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
-solarpanel = getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
-userdefined = getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+solarcollector = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARCOLLECTOR', INDETERMINATE)
+solarpanel = express_getattr(IfcSolarDeviceTypeEnum, 'SOLARPANEL', INDETERMINATE)
+userdefined = express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSolarDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceHeaterTypeEnum = enum_namespace()
-convector = getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
-radiator = getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
-userdefined = getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
+convector = express_getattr(IfcSpaceHeaterTypeEnum, 'CONVECTOR', INDETERMINATE)
+radiator = express_getattr(IfcSpaceHeaterTypeEnum, 'RADIATOR', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceHeaterTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpaceTypeEnum = enum_namespace()
-berth = getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
-external = getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
-gfa = getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
-internal = getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
-parking = getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
-space = getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
-userdefined = getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+berth = express_getattr(IfcSpaceTypeEnum, 'BERTH', INDETERMINATE)
+external = express_getattr(IfcSpaceTypeEnum, 'EXTERNAL', INDETERMINATE)
+gfa = express_getattr(IfcSpaceTypeEnum, 'GFA', INDETERMINATE)
+internal = express_getattr(IfcSpaceTypeEnum, 'INTERNAL', INDETERMINATE)
+parking = express_getattr(IfcSpaceTypeEnum, 'PARKING', INDETERMINATE)
+space = express_getattr(IfcSpaceTypeEnum, 'SPACE', INDETERMINATE)
+userdefined = express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpaceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSpatialZoneTypeEnum = enum_namespace()
-construction = getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-firesafety = getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
-interference = getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
-lighting = getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
-occupancy = getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
-reservation = getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
-security = getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
-thermal = getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
-transport = getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
-ventilation = getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
-userdefined = getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
+construction = express_getattr(IfcSpatialZoneTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+firesafety = express_getattr(IfcSpatialZoneTypeEnum, 'FIRESAFETY', INDETERMINATE)
+interference = express_getattr(IfcSpatialZoneTypeEnum, 'INTERFERENCE', INDETERMINATE)
+lighting = express_getattr(IfcSpatialZoneTypeEnum, 'LIGHTING', INDETERMINATE)
+occupancy = express_getattr(IfcSpatialZoneTypeEnum, 'OCCUPANCY', INDETERMINATE)
+reservation = express_getattr(IfcSpatialZoneTypeEnum, 'RESERVATION', INDETERMINATE)
+security = express_getattr(IfcSpatialZoneTypeEnum, 'SECURITY', INDETERMINATE)
+thermal = express_getattr(IfcSpatialZoneTypeEnum, 'THERMAL', INDETERMINATE)
+transport = express_getattr(IfcSpatialZoneTypeEnum, 'TRANSPORT', INDETERMINATE)
+ventilation = express_getattr(IfcSpatialZoneTypeEnum, 'VENTILATION', INDETERMINATE)
+userdefined = express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSpatialZoneTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStackTerminalTypeEnum = enum_namespace()
-birdcage = getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
-cowl = getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
-rainwaterhopper = getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
-userdefined = getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+birdcage = express_getattr(IfcStackTerminalTypeEnum, 'BIRDCAGE', INDETERMINATE)
+cowl = express_getattr(IfcStackTerminalTypeEnum, 'COWL', INDETERMINATE)
+rainwaterhopper = express_getattr(IfcStackTerminalTypeEnum, 'RAINWATERHOPPER', INDETERMINATE)
+userdefined = express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStackTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairFlightTypeEnum = enum_namespace()
-curved = getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
-freeform = getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
-spiral = getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
-straight = getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
-winder = getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
-userdefined = getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved = express_getattr(IfcStairFlightTypeEnum, 'CURVED', INDETERMINATE)
+freeform = express_getattr(IfcStairFlightTypeEnum, 'FREEFORM', INDETERMINATE)
+spiral = express_getattr(IfcStairFlightTypeEnum, 'SPIRAL', INDETERMINATE)
+straight = express_getattr(IfcStairFlightTypeEnum, 'STRAIGHT', INDETERMINATE)
+winder = express_getattr(IfcStairFlightTypeEnum, 'WINDER', INDETERMINATE)
+userdefined = express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairFlightTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStairTypeEnum = enum_namespace()
-curved_run_stair = getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
-double_return_stair = getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
-half_turn_stair = getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
-half_winding_stair = getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
-ladder = getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
-quarter_turn_stair = getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
-quarter_winding_stair = getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
-spiral_stair = getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
-straight_run_stair = getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
-three_quarter_turn_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
-three_quarter_winding_stair = getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_curved_run_stair = getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
-two_quarter_turn_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
-two_quarter_winding_stair = getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
-two_straight_run_stair = getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
-userdefined = getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
+curved_run_stair = express_getattr(IfcStairTypeEnum, 'CURVED_RUN_STAIR', INDETERMINATE)
+double_return_stair = express_getattr(IfcStairTypeEnum, 'DOUBLE_RETURN_STAIR', INDETERMINATE)
+half_turn_stair = express_getattr(IfcStairTypeEnum, 'HALF_TURN_STAIR', INDETERMINATE)
+half_winding_stair = express_getattr(IfcStairTypeEnum, 'HALF_WINDING_STAIR', INDETERMINATE)
+ladder = express_getattr(IfcStairTypeEnum, 'LADDER', INDETERMINATE)
+quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_TURN_STAIR', INDETERMINATE)
+quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'QUARTER_WINDING_STAIR', INDETERMINATE)
+spiral_stair = express_getattr(IfcStairTypeEnum, 'SPIRAL_STAIR', INDETERMINATE)
+straight_run_stair = express_getattr(IfcStairTypeEnum, 'STRAIGHT_RUN_STAIR', INDETERMINATE)
+three_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_TURN_STAIR', INDETERMINATE)
+three_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'THREE_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_curved_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_CURVED_RUN_STAIR', INDETERMINATE)
+two_quarter_turn_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_TURN_STAIR', INDETERMINATE)
+two_quarter_winding_stair = express_getattr(IfcStairTypeEnum, 'TWO_QUARTER_WINDING_STAIR', INDETERMINATE)
+two_straight_run_stair = express_getattr(IfcStairTypeEnum, 'TWO_STRAIGHT_RUN_STAIR', INDETERMINATE)
+userdefined = express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStairTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStateEnum = enum_namespace()
-locked = getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
-readonly = getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
-readonlylocked = getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
-readwrite = getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
-readwritelocked = getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
+locked = express_getattr(IfcStateEnum, 'LOCKED', INDETERMINATE)
+readonly = express_getattr(IfcStateEnum, 'READONLY', INDETERMINATE)
+readonlylocked = express_getattr(IfcStateEnum, 'READONLYLOCKED', INDETERMINATE)
+readwrite = express_getattr(IfcStateEnum, 'READWRITE', INDETERMINATE)
+readwritelocked = express_getattr(IfcStateEnum, 'READWRITELOCKED', INDETERMINATE)
 IfcStructuralCurveActivityTypeEnum = enum_namespace()
-const = getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-equidistant = getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
-linear = getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
-parabola = getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
-polygonal = getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
-sinus = getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+const = express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralCurveActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+equidistant = express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)
+linear = express_getattr(IfcStructuralCurveActivityTypeEnum, 'LINEAR', INDETERMINATE)
+parabola = express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)
+polygonal = express_getattr(IfcStructuralCurveActivityTypeEnum, 'POLYGONAL', INDETERMINATE)
+sinus = express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralCurveMemberTypeEnum = enum_namespace()
-cable = getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
-compression_member = getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
-pin_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
-rigid_joined_member = getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
-tension_member = getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
-userdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cable = express_getattr(IfcStructuralCurveMemberTypeEnum, 'CABLE', INDETERMINATE)
+compression_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'COMPRESSION_MEMBER', INDETERMINATE)
+pin_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'PIN_JOINED_MEMBER', INDETERMINATE)
+rigid_joined_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'RIGID_JOINED_MEMBER', INDETERMINATE)
+tension_member = express_getattr(IfcStructuralCurveMemberTypeEnum, 'TENSION_MEMBER', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralCurveMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceActivityTypeEnum = enum_namespace()
-bilinear = getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
-const = getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
-discrete = getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
-isocontour = getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bilinear = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'BILINEAR', INDETERMINATE)
+const = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)
+discrete = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'DISCRETE', INDETERMINATE)
+isocontour = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'ISOCONTOUR', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcStructuralSurfaceMemberTypeEnum = enum_namespace()
-bending_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
-membrane_element = getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
-shell = getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
-userdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bending_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'BENDING_ELEMENT', INDETERMINATE)
+membrane_element = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'MEMBRANE_ELEMENT', INDETERMINATE)
+shell = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'SHELL', INDETERMINATE)
+userdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSubContractResourceTypeEnum = enum_namespace()
-purchase = getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
-work = getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
-userdefined = getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+purchase = express_getattr(IfcSubContractResourceTypeEnum, 'PURCHASE', INDETERMINATE)
+work = express_getattr(IfcSubContractResourceTypeEnum, 'WORK', INDETERMINATE)
+userdefined = express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSubContractResourceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceFeatureTypeEnum = enum_namespace()
-defect = getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
-hatchmarking = getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
-linemarking = getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
-mark = getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
-nonskidsurfacing = getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
-pavementsurfacemarking = getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
-rumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
-symbolmarking = getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
-tag = getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
-transverserumblestrip = getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
-treatment = getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
-userdefined = getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+defect = express_getattr(IfcSurfaceFeatureTypeEnum, 'DEFECT', INDETERMINATE)
+hatchmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'HATCHMARKING', INDETERMINATE)
+linemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'LINEMARKING', INDETERMINATE)
+mark = express_getattr(IfcSurfaceFeatureTypeEnum, 'MARK', INDETERMINATE)
+nonskidsurfacing = express_getattr(IfcSurfaceFeatureTypeEnum, 'NONSKIDSURFACING', INDETERMINATE)
+pavementsurfacemarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'PAVEMENTSURFACEMARKING', INDETERMINATE)
+rumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'RUMBLESTRIP', INDETERMINATE)
+symbolmarking = express_getattr(IfcSurfaceFeatureTypeEnum, 'SYMBOLMARKING', INDETERMINATE)
+tag = express_getattr(IfcSurfaceFeatureTypeEnum, 'TAG', INDETERMINATE)
+transverserumblestrip = express_getattr(IfcSurfaceFeatureTypeEnum, 'TRANSVERSERUMBLESTRIP', INDETERMINATE)
+treatment = express_getattr(IfcSurfaceFeatureTypeEnum, 'TREATMENT', INDETERMINATE)
+userdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSurfaceFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSurfaceSide = enum_namespace()
-both = getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
-negative = getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
-positive = getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
+both = express_getattr(IfcSurfaceSide, 'BOTH', INDETERMINATE)
+negative = express_getattr(IfcSurfaceSide, 'NEGATIVE', INDETERMINATE)
+positive = express_getattr(IfcSurfaceSide, 'POSITIVE', INDETERMINATE)
 IfcSwitchingDeviceTypeEnum = enum_namespace()
-contactor = getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
-dimmerswitch = getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
-emergencystop = getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
-keypad = getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
-momentaryswitch = getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
-relay = getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
-selectorswitch = getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
-starter = getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
-start_and_stop_equipment = getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
-switchdisconnector = getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
-toggleswitch = getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
-userdefined = getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
+contactor = express_getattr(IfcSwitchingDeviceTypeEnum, 'CONTACTOR', INDETERMINATE)
+dimmerswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'DIMMERSWITCH', INDETERMINATE)
+emergencystop = express_getattr(IfcSwitchingDeviceTypeEnum, 'EMERGENCYSTOP', INDETERMINATE)
+keypad = express_getattr(IfcSwitchingDeviceTypeEnum, 'KEYPAD', INDETERMINATE)
+momentaryswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'MOMENTARYSWITCH', INDETERMINATE)
+relay = express_getattr(IfcSwitchingDeviceTypeEnum, 'RELAY', INDETERMINATE)
+selectorswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'SELECTORSWITCH', INDETERMINATE)
+starter = express_getattr(IfcSwitchingDeviceTypeEnum, 'STARTER', INDETERMINATE)
+start_and_stop_equipment = express_getattr(IfcSwitchingDeviceTypeEnum, 'START_AND_STOP_EQUIPMENT', INDETERMINATE)
+switchdisconnector = express_getattr(IfcSwitchingDeviceTypeEnum, 'SWITCHDISCONNECTOR', INDETERMINATE)
+toggleswitch = express_getattr(IfcSwitchingDeviceTypeEnum, 'TOGGLESWITCH', INDETERMINATE)
+userdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSwitchingDeviceTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcSystemFurnitureElementTypeEnum = enum_namespace()
-panel = getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
-subrack = getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
-worksurface = getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
-userdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+panel = express_getattr(IfcSystemFurnitureElementTypeEnum, 'PANEL', INDETERMINATE)
+subrack = express_getattr(IfcSystemFurnitureElementTypeEnum, 'SUBRACK', INDETERMINATE)
+worksurface = express_getattr(IfcSystemFurnitureElementTypeEnum, 'WORKSURFACE', INDETERMINATE)
+userdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcSystemFurnitureElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTankTypeEnum = enum_namespace()
-basin = getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
-breakpressure = getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
-expansion = getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
-feedandexpansion = getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
-oilretentiontray = getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
-pressurevessel = getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
-storage = getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
-vessel = getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
-userdefined = getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
+basin = express_getattr(IfcTankTypeEnum, 'BASIN', INDETERMINATE)
+breakpressure = express_getattr(IfcTankTypeEnum, 'BREAKPRESSURE', INDETERMINATE)
+expansion = express_getattr(IfcTankTypeEnum, 'EXPANSION', INDETERMINATE)
+feedandexpansion = express_getattr(IfcTankTypeEnum, 'FEEDANDEXPANSION', INDETERMINATE)
+oilretentiontray = express_getattr(IfcTankTypeEnum, 'OILRETENTIONTRAY', INDETERMINATE)
+pressurevessel = express_getattr(IfcTankTypeEnum, 'PRESSUREVESSEL', INDETERMINATE)
+storage = express_getattr(IfcTankTypeEnum, 'STORAGE', INDETERMINATE)
+vessel = express_getattr(IfcTankTypeEnum, 'VESSEL', INDETERMINATE)
+userdefined = express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTankTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskDurationEnum = enum_namespace()
-elapsedtime = getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
-worktime = getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
-notdefined = getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
+elapsedtime = express_getattr(IfcTaskDurationEnum, 'ELAPSEDTIME', INDETERMINATE)
+worktime = express_getattr(IfcTaskDurationEnum, 'WORKTIME', INDETERMINATE)
+notdefined = express_getattr(IfcTaskDurationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTaskTypeEnum = enum_namespace()
-adjustment = getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
-attendance = getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
-calibration = getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
-construction = getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
-demolition = getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
-dismantle = getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
-disposal = getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
-emergency = getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
-inspection = getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
-installation = getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
-logistic = getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
-maintenance = getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
-move = getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
-operation = getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
-removal = getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
-renovation = getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
-safety = getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
-shutdown = getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
-startup = getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
-testing = getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
-troubleshooting = getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
-userdefined = getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
+adjustment = express_getattr(IfcTaskTypeEnum, 'ADJUSTMENT', INDETERMINATE)
+attendance = express_getattr(IfcTaskTypeEnum, 'ATTENDANCE', INDETERMINATE)
+calibration = express_getattr(IfcTaskTypeEnum, 'CALIBRATION', INDETERMINATE)
+construction = express_getattr(IfcTaskTypeEnum, 'CONSTRUCTION', INDETERMINATE)
+demolition = express_getattr(IfcTaskTypeEnum, 'DEMOLITION', INDETERMINATE)
+dismantle = express_getattr(IfcTaskTypeEnum, 'DISMANTLE', INDETERMINATE)
+disposal = express_getattr(IfcTaskTypeEnum, 'DISPOSAL', INDETERMINATE)
+emergency = express_getattr(IfcTaskTypeEnum, 'EMERGENCY', INDETERMINATE)
+inspection = express_getattr(IfcTaskTypeEnum, 'INSPECTION', INDETERMINATE)
+installation = express_getattr(IfcTaskTypeEnum, 'INSTALLATION', INDETERMINATE)
+logistic = express_getattr(IfcTaskTypeEnum, 'LOGISTIC', INDETERMINATE)
+maintenance = express_getattr(IfcTaskTypeEnum, 'MAINTENANCE', INDETERMINATE)
+move = express_getattr(IfcTaskTypeEnum, 'MOVE', INDETERMINATE)
+operation = express_getattr(IfcTaskTypeEnum, 'OPERATION', INDETERMINATE)
+removal = express_getattr(IfcTaskTypeEnum, 'REMOVAL', INDETERMINATE)
+renovation = express_getattr(IfcTaskTypeEnum, 'RENOVATION', INDETERMINATE)
+safety = express_getattr(IfcTaskTypeEnum, 'SAFETY', INDETERMINATE)
+shutdown = express_getattr(IfcTaskTypeEnum, 'SHUTDOWN', INDETERMINATE)
+startup = express_getattr(IfcTaskTypeEnum, 'STARTUP', INDETERMINATE)
+testing = express_getattr(IfcTaskTypeEnum, 'TESTING', INDETERMINATE)
+troubleshooting = express_getattr(IfcTaskTypeEnum, 'TROUBLESHOOTING', INDETERMINATE)
+userdefined = express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTaskTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonAnchorTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
-fixed_end = getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
-tensioning_end = getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
-userdefined = getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonAnchorTypeEnum, 'COUPLER', INDETERMINATE)
+fixed_end = express_getattr(IfcTendonAnchorTypeEnum, 'FIXED_END', INDETERMINATE)
+tensioning_end = express_getattr(IfcTendonAnchorTypeEnum, 'TENSIONING_END', INDETERMINATE)
+userdefined = express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonAnchorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonConduitTypeEnum = enum_namespace()
-coupler = getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
-diabolo = getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
-duct = getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
-grouting_duct = getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
-trumpet = getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
-userdefined = getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
+coupler = express_getattr(IfcTendonConduitTypeEnum, 'COUPLER', INDETERMINATE)
+diabolo = express_getattr(IfcTendonConduitTypeEnum, 'DIABOLO', INDETERMINATE)
+duct = express_getattr(IfcTendonConduitTypeEnum, 'DUCT', INDETERMINATE)
+grouting_duct = express_getattr(IfcTendonConduitTypeEnum, 'GROUTING_DUCT', INDETERMINATE)
+trumpet = express_getattr(IfcTendonConduitTypeEnum, 'TRUMPET', INDETERMINATE)
+userdefined = express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonConduitTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTendonTypeEnum = enum_namespace()
-bar = getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
-coated = getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
-strand = getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
-wire = getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
-userdefined = getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
+bar = express_getattr(IfcTendonTypeEnum, 'BAR', INDETERMINATE)
+coated = express_getattr(IfcTendonTypeEnum, 'COATED', INDETERMINATE)
+strand = express_getattr(IfcTendonTypeEnum, 'STRAND', INDETERMINATE)
+wire = express_getattr(IfcTendonTypeEnum, 'WIRE', INDETERMINATE)
+userdefined = express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTendonTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTextPath = enum_namespace()
-down = getattr(IfcTextPath, 'DOWN', INDETERMINATE)
-left = getattr(IfcTextPath, 'LEFT', INDETERMINATE)
-right = getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
-up = getattr(IfcTextPath, 'UP', INDETERMINATE)
+down = express_getattr(IfcTextPath, 'DOWN', INDETERMINATE)
+left = express_getattr(IfcTextPath, 'LEFT', INDETERMINATE)
+right = express_getattr(IfcTextPath, 'RIGHT', INDETERMINATE)
+up = express_getattr(IfcTextPath, 'UP', INDETERMINATE)
 IfcTimeSeriesDataTypeEnum = enum_namespace()
-continuous = getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
-discrete = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
-discretebinary = getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
-piecewisebinary = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
-piecewiseconstant = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
-piecewisecontinuous = getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
-notdefined = getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
+continuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'CONTINUOUS', INDETERMINATE)
+discrete = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETE', INDETERMINATE)
+discretebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'DISCRETEBINARY', INDETERMINATE)
+piecewisebinary = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISEBINARY', INDETERMINATE)
+piecewiseconstant = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONSTANT', INDETERMINATE)
+piecewisecontinuous = express_getattr(IfcTimeSeriesDataTypeEnum, 'PIECEWISECONTINUOUS', INDETERMINATE)
+notdefined = express_getattr(IfcTimeSeriesDataTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrackElementTypeEnum = enum_namespace()
-blockingdevice = getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
-derailer = getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
-frog = getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
-half_set_of_blades = getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
-sleeper = getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
-speedregulator = getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
-trackendofalignment = getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
-vehiclestop = getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
-userdefined = getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+blockingdevice = express_getattr(IfcTrackElementTypeEnum, 'BLOCKINGDEVICE', INDETERMINATE)
+derailer = express_getattr(IfcTrackElementTypeEnum, 'DERAILER', INDETERMINATE)
+frog = express_getattr(IfcTrackElementTypeEnum, 'FROG', INDETERMINATE)
+half_set_of_blades = express_getattr(IfcTrackElementTypeEnum, 'HALF_SET_OF_BLADES', INDETERMINATE)
+sleeper = express_getattr(IfcTrackElementTypeEnum, 'SLEEPER', INDETERMINATE)
+speedregulator = express_getattr(IfcTrackElementTypeEnum, 'SPEEDREGULATOR', INDETERMINATE)
+trackendofalignment = express_getattr(IfcTrackElementTypeEnum, 'TRACKENDOFALIGNMENT', INDETERMINATE)
+vehiclestop = express_getattr(IfcTrackElementTypeEnum, 'VEHICLESTOP', INDETERMINATE)
+userdefined = express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTrackElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransformerTypeEnum = enum_namespace()
-chopper = getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
-combined = getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
-current = getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
-frequency = getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
-inverter = getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
-rectifier = getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
-voltage = getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
-userdefined = getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chopper = express_getattr(IfcTransformerTypeEnum, 'CHOPPER', INDETERMINATE)
+combined = express_getattr(IfcTransformerTypeEnum, 'COMBINED', INDETERMINATE)
+current = express_getattr(IfcTransformerTypeEnum, 'CURRENT', INDETERMINATE)
+frequency = express_getattr(IfcTransformerTypeEnum, 'FREQUENCY', INDETERMINATE)
+inverter = express_getattr(IfcTransformerTypeEnum, 'INVERTER', INDETERMINATE)
+rectifier = express_getattr(IfcTransformerTypeEnum, 'RECTIFIER', INDETERMINATE)
+voltage = express_getattr(IfcTransformerTypeEnum, 'VOLTAGE', INDETERMINATE)
+userdefined = express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransformerTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTransitionCode = enum_namespace()
-continuous = getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
-contsamegradient = getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
-contsamegradientsamecurvature = getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
-discontinuous = getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
+continuous = express_getattr(IfcTransitionCode, 'CONTINUOUS', INDETERMINATE)
+contsamegradient = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENT', INDETERMINATE)
+contsamegradientsamecurvature = express_getattr(IfcTransitionCode, 'CONTSAMEGRADIENTSAMECURVATURE', INDETERMINATE)
+discontinuous = express_getattr(IfcTransitionCode, 'DISCONTINUOUS', INDETERMINATE)
 IfcTransportElementTypeEnum = enum_namespace()
-craneway = getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
-elevator = getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
-escalator = getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
-haulinggear = getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
-liftinggear = getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
-movingwalkway = getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
-userdefined = getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+craneway = express_getattr(IfcTransportElementTypeEnum, 'CRANEWAY', INDETERMINATE)
+elevator = express_getattr(IfcTransportElementTypeEnum, 'ELEVATOR', INDETERMINATE)
+escalator = express_getattr(IfcTransportElementTypeEnum, 'ESCALATOR', INDETERMINATE)
+haulinggear = express_getattr(IfcTransportElementTypeEnum, 'HAULINGGEAR', INDETERMINATE)
+liftinggear = express_getattr(IfcTransportElementTypeEnum, 'LIFTINGGEAR', INDETERMINATE)
+movingwalkway = express_getattr(IfcTransportElementTypeEnum, 'MOVINGWALKWAY', INDETERMINATE)
+userdefined = express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTransportElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcTrimmingPreference = enum_namespace()
-cartesian = getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
-parameter = getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
-unspecified = getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
+cartesian = express_getattr(IfcTrimmingPreference, 'CARTESIAN', INDETERMINATE)
+parameter = express_getattr(IfcTrimmingPreference, 'PARAMETER', INDETERMINATE)
+unspecified = express_getattr(IfcTrimmingPreference, 'UNSPECIFIED', INDETERMINATE)
 IfcTubeBundleTypeEnum = enum_namespace()
-finned = getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
-userdefined = getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+finned = express_getattr(IfcTubeBundleTypeEnum, 'FINNED', INDETERMINATE)
+userdefined = express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcTubeBundleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitEnum = enum_namespace()
-absorbeddoseunit = getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
-amountofsubstanceunit = getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
-areaunit = getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
-doseequivalentunit = getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
-electriccapacitanceunit = getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
-electricchargeunit = getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
-electricconductanceunit = getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
-electriccurrentunit = getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
-electricresistanceunit = getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
-electricvoltageunit = getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
-energyunit = getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
-forceunit = getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
-frequencyunit = getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
-illuminanceunit = getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
-inductanceunit = getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
-lengthunit = getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
-luminousfluxunit = getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
-luminousintensityunit = getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
-magneticfluxdensityunit = getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
-magneticfluxunit = getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
-massunit = getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
-planeangleunit = getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
-powerunit = getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
-pressureunit = getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
-radioactivityunit = getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
-solidangleunit = getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
-thermodynamictemperatureunit = getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
-timeunit = getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
-volumeunit = getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
-userdefined = getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
+absorbeddoseunit = express_getattr(IfcUnitEnum, 'ABSORBEDDOSEUNIT', INDETERMINATE)
+amountofsubstanceunit = express_getattr(IfcUnitEnum, 'AMOUNTOFSUBSTANCEUNIT', INDETERMINATE)
+areaunit = express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)
+doseequivalentunit = express_getattr(IfcUnitEnum, 'DOSEEQUIVALENTUNIT', INDETERMINATE)
+electriccapacitanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCAPACITANCEUNIT', INDETERMINATE)
+electricchargeunit = express_getattr(IfcUnitEnum, 'ELECTRICCHARGEUNIT', INDETERMINATE)
+electricconductanceunit = express_getattr(IfcUnitEnum, 'ELECTRICCONDUCTANCEUNIT', INDETERMINATE)
+electriccurrentunit = express_getattr(IfcUnitEnum, 'ELECTRICCURRENTUNIT', INDETERMINATE)
+electricresistanceunit = express_getattr(IfcUnitEnum, 'ELECTRICRESISTANCEUNIT', INDETERMINATE)
+electricvoltageunit = express_getattr(IfcUnitEnum, 'ELECTRICVOLTAGEUNIT', INDETERMINATE)
+energyunit = express_getattr(IfcUnitEnum, 'ENERGYUNIT', INDETERMINATE)
+forceunit = express_getattr(IfcUnitEnum, 'FORCEUNIT', INDETERMINATE)
+frequencyunit = express_getattr(IfcUnitEnum, 'FREQUENCYUNIT', INDETERMINATE)
+illuminanceunit = express_getattr(IfcUnitEnum, 'ILLUMINANCEUNIT', INDETERMINATE)
+inductanceunit = express_getattr(IfcUnitEnum, 'INDUCTANCEUNIT', INDETERMINATE)
+lengthunit = express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)
+luminousfluxunit = express_getattr(IfcUnitEnum, 'LUMINOUSFLUXUNIT', INDETERMINATE)
+luminousintensityunit = express_getattr(IfcUnitEnum, 'LUMINOUSINTENSITYUNIT', INDETERMINATE)
+magneticfluxdensityunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXDENSITYUNIT', INDETERMINATE)
+magneticfluxunit = express_getattr(IfcUnitEnum, 'MAGNETICFLUXUNIT', INDETERMINATE)
+massunit = express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)
+planeangleunit = express_getattr(IfcUnitEnum, 'PLANEANGLEUNIT', INDETERMINATE)
+powerunit = express_getattr(IfcUnitEnum, 'POWERUNIT', INDETERMINATE)
+pressureunit = express_getattr(IfcUnitEnum, 'PRESSUREUNIT', INDETERMINATE)
+radioactivityunit = express_getattr(IfcUnitEnum, 'RADIOACTIVITYUNIT', INDETERMINATE)
+solidangleunit = express_getattr(IfcUnitEnum, 'SOLIDANGLEUNIT', INDETERMINATE)
+thermodynamictemperatureunit = express_getattr(IfcUnitEnum, 'THERMODYNAMICTEMPERATUREUNIT', INDETERMINATE)
+timeunit = express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)
+volumeunit = express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)
+userdefined = express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)
 IfcUnitaryControlElementTypeEnum = enum_namespace()
-alarmpanel = getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
-basestationcontroller = getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
-combined = getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
-controlpanel = getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
-gasdetectionpanel = getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
-humidistat = getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
-indicatorpanel = getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
-mimicpanel = getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
-thermostat = getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
-weatherstation = getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
-userdefined = getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+alarmpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'ALARMPANEL', INDETERMINATE)
+basestationcontroller = express_getattr(IfcUnitaryControlElementTypeEnum, 'BASESTATIONCONTROLLER', INDETERMINATE)
+combined = express_getattr(IfcUnitaryControlElementTypeEnum, 'COMBINED', INDETERMINATE)
+controlpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'CONTROLPANEL', INDETERMINATE)
+gasdetectionpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'GASDETECTIONPANEL', INDETERMINATE)
+humidistat = express_getattr(IfcUnitaryControlElementTypeEnum, 'HUMIDISTAT', INDETERMINATE)
+indicatorpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'INDICATORPANEL', INDETERMINATE)
+mimicpanel = express_getattr(IfcUnitaryControlElementTypeEnum, 'MIMICPANEL', INDETERMINATE)
+thermostat = express_getattr(IfcUnitaryControlElementTypeEnum, 'THERMOSTAT', INDETERMINATE)
+weatherstation = express_getattr(IfcUnitaryControlElementTypeEnum, 'WEATHERSTATION', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryControlElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcUnitaryEquipmentTypeEnum = enum_namespace()
-airconditioningunit = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
-airhandler = getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
-dehumidifier = getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
-rooftopunit = getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
-splitsystem = getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
-userdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airconditioningunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRCONDITIONINGUNIT', INDETERMINATE)
+airhandler = express_getattr(IfcUnitaryEquipmentTypeEnum, 'AIRHANDLER', INDETERMINATE)
+dehumidifier = express_getattr(IfcUnitaryEquipmentTypeEnum, 'DEHUMIDIFIER', INDETERMINATE)
+rooftopunit = express_getattr(IfcUnitaryEquipmentTypeEnum, 'ROOFTOPUNIT', INDETERMINATE)
+splitsystem = express_getattr(IfcUnitaryEquipmentTypeEnum, 'SPLITSYSTEM', INDETERMINATE)
+userdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcUnitaryEquipmentTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcValveTypeEnum = enum_namespace()
-airrelease = getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
-antivacuum = getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
-changeover = getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
-check = getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
-commissioning = getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
-diverting = getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
-doublecheck = getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
-doubleregulating = getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
-drawoffcock = getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
-faucet = getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
-flushing = getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
-gascock = getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
-gastap = getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
-isolating = getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
-mixing = getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
-pressurereducing = getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
-pressurerelief = getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
-regulating = getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
-safetycutoff = getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
-steamtrap = getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
-stopcock = getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
-userdefined = getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
+airrelease = express_getattr(IfcValveTypeEnum, 'AIRRELEASE', INDETERMINATE)
+antivacuum = express_getattr(IfcValveTypeEnum, 'ANTIVACUUM', INDETERMINATE)
+changeover = express_getattr(IfcValveTypeEnum, 'CHANGEOVER', INDETERMINATE)
+check = express_getattr(IfcValveTypeEnum, 'CHECK', INDETERMINATE)
+commissioning = express_getattr(IfcValveTypeEnum, 'COMMISSIONING', INDETERMINATE)
+diverting = express_getattr(IfcValveTypeEnum, 'DIVERTING', INDETERMINATE)
+doublecheck = express_getattr(IfcValveTypeEnum, 'DOUBLECHECK', INDETERMINATE)
+doubleregulating = express_getattr(IfcValveTypeEnum, 'DOUBLEREGULATING', INDETERMINATE)
+drawoffcock = express_getattr(IfcValveTypeEnum, 'DRAWOFFCOCK', INDETERMINATE)
+faucet = express_getattr(IfcValveTypeEnum, 'FAUCET', INDETERMINATE)
+flushing = express_getattr(IfcValveTypeEnum, 'FLUSHING', INDETERMINATE)
+gascock = express_getattr(IfcValveTypeEnum, 'GASCOCK', INDETERMINATE)
+gastap = express_getattr(IfcValveTypeEnum, 'GASTAP', INDETERMINATE)
+isolating = express_getattr(IfcValveTypeEnum, 'ISOLATING', INDETERMINATE)
+mixing = express_getattr(IfcValveTypeEnum, 'MIXING', INDETERMINATE)
+pressurereducing = express_getattr(IfcValveTypeEnum, 'PRESSUREREDUCING', INDETERMINATE)
+pressurerelief = express_getattr(IfcValveTypeEnum, 'PRESSURERELIEF', INDETERMINATE)
+regulating = express_getattr(IfcValveTypeEnum, 'REGULATING', INDETERMINATE)
+safetycutoff = express_getattr(IfcValveTypeEnum, 'SAFETYCUTOFF', INDETERMINATE)
+steamtrap = express_getattr(IfcValveTypeEnum, 'STEAMTRAP', INDETERMINATE)
+stopcock = express_getattr(IfcValveTypeEnum, 'STOPCOCK', INDETERMINATE)
+userdefined = express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcValveTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVehicleTypeEnum = enum_namespace()
-cargo = getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
-rollingstock = getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
-vehicle = getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
-vehicleair = getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
-vehiclemarine = getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
-vehicletracked = getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
-vehiclewheeled = getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
-userdefined = getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+cargo = express_getattr(IfcVehicleTypeEnum, 'CARGO', INDETERMINATE)
+rollingstock = express_getattr(IfcVehicleTypeEnum, 'ROLLINGSTOCK', INDETERMINATE)
+vehicle = express_getattr(IfcVehicleTypeEnum, 'VEHICLE', INDETERMINATE)
+vehicleair = express_getattr(IfcVehicleTypeEnum, 'VEHICLEAIR', INDETERMINATE)
+vehiclemarine = express_getattr(IfcVehicleTypeEnum, 'VEHICLEMARINE', INDETERMINATE)
+vehicletracked = express_getattr(IfcVehicleTypeEnum, 'VEHICLETRACKED', INDETERMINATE)
+vehiclewheeled = express_getattr(IfcVehicleTypeEnum, 'VEHICLEWHEELED', INDETERMINATE)
+userdefined = express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVehicleTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationDamperTypeEnum = enum_namespace()
-axial_yield = getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
-bending_yield = getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
-friction = getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
-rubber = getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
-shear_yield = getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
-viscous = getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
-userdefined = getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
+axial_yield = express_getattr(IfcVibrationDamperTypeEnum, 'AXIAL_YIELD', INDETERMINATE)
+bending_yield = express_getattr(IfcVibrationDamperTypeEnum, 'BENDING_YIELD', INDETERMINATE)
+friction = express_getattr(IfcVibrationDamperTypeEnum, 'FRICTION', INDETERMINATE)
+rubber = express_getattr(IfcVibrationDamperTypeEnum, 'RUBBER', INDETERMINATE)
+shear_yield = express_getattr(IfcVibrationDamperTypeEnum, 'SHEAR_YIELD', INDETERMINATE)
+viscous = express_getattr(IfcVibrationDamperTypeEnum, 'VISCOUS', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationDamperTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVibrationIsolatorTypeEnum = enum_namespace()
-base = getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
-compression = getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
-spring = getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
-userdefined = getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
+base = express_getattr(IfcVibrationIsolatorTypeEnum, 'BASE', INDETERMINATE)
+compression = express_getattr(IfcVibrationIsolatorTypeEnum, 'COMPRESSION', INDETERMINATE)
+spring = express_getattr(IfcVibrationIsolatorTypeEnum, 'SPRING', INDETERMINATE)
+userdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVibrationIsolatorTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVirtualElementTypeEnum = enum_namespace()
-boundary = getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
-clearance = getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
-provisionforvoid = getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
-userdefined = getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
+boundary = express_getattr(IfcVirtualElementTypeEnum, 'BOUNDARY', INDETERMINATE)
+clearance = express_getattr(IfcVirtualElementTypeEnum, 'CLEARANCE', INDETERMINATE)
+provisionforvoid = express_getattr(IfcVirtualElementTypeEnum, 'PROVISIONFORVOID', INDETERMINATE)
+userdefined = express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVirtualElementTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcVoidingFeatureTypeEnum = enum_namespace()
-chamfer = getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
-cutout = getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
-edge = getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
-hole = getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
-miter = getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
-notch = getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
-userdefined = getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
+chamfer = express_getattr(IfcVoidingFeatureTypeEnum, 'CHAMFER', INDETERMINATE)
+cutout = express_getattr(IfcVoidingFeatureTypeEnum, 'CUTOUT', INDETERMINATE)
+edge = express_getattr(IfcVoidingFeatureTypeEnum, 'EDGE', INDETERMINATE)
+hole = express_getattr(IfcVoidingFeatureTypeEnum, 'HOLE', INDETERMINATE)
+miter = express_getattr(IfcVoidingFeatureTypeEnum, 'MITER', INDETERMINATE)
+notch = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTCH', INDETERMINATE)
+userdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcVoidingFeatureTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWallTypeEnum = enum_namespace()
-elementedwall = getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
-movable = getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
-parapet = getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
-partitioning = getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
-plumbingwall = getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
-polygonal = getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
-retainingwall = getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
-shear = getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
-solidwall = getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
-standard = getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
-wavewall = getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
-userdefined = getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
+elementedwall = express_getattr(IfcWallTypeEnum, 'ELEMENTEDWALL', INDETERMINATE)
+movable = express_getattr(IfcWallTypeEnum, 'MOVABLE', INDETERMINATE)
+parapet = express_getattr(IfcWallTypeEnum, 'PARAPET', INDETERMINATE)
+partitioning = express_getattr(IfcWallTypeEnum, 'PARTITIONING', INDETERMINATE)
+plumbingwall = express_getattr(IfcWallTypeEnum, 'PLUMBINGWALL', INDETERMINATE)
+polygonal = express_getattr(IfcWallTypeEnum, 'POLYGONAL', INDETERMINATE)
+retainingwall = express_getattr(IfcWallTypeEnum, 'RETAININGWALL', INDETERMINATE)
+shear = express_getattr(IfcWallTypeEnum, 'SHEAR', INDETERMINATE)
+solidwall = express_getattr(IfcWallTypeEnum, 'SOLIDWALL', INDETERMINATE)
+standard = express_getattr(IfcWallTypeEnum, 'STANDARD', INDETERMINATE)
+wavewall = express_getattr(IfcWallTypeEnum, 'WAVEWALL', INDETERMINATE)
+userdefined = express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWallTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWasteTerminalTypeEnum = enum_namespace()
-floortrap = getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
-floorwaste = getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
-gullysump = getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
-gullytrap = getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
-roofdrain = getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
-wastedisposalunit = getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
-wastetrap = getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
-userdefined = getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
+floortrap = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORTRAP', INDETERMINATE)
+floorwaste = express_getattr(IfcWasteTerminalTypeEnum, 'FLOORWASTE', INDETERMINATE)
+gullysump = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYSUMP', INDETERMINATE)
+gullytrap = express_getattr(IfcWasteTerminalTypeEnum, 'GULLYTRAP', INDETERMINATE)
+roofdrain = express_getattr(IfcWasteTerminalTypeEnum, 'ROOFDRAIN', INDETERMINATE)
+wastedisposalunit = express_getattr(IfcWasteTerminalTypeEnum, 'WASTEDISPOSALUNIT', INDETERMINATE)
+wastetrap = express_getattr(IfcWasteTerminalTypeEnum, 'WASTETRAP', INDETERMINATE)
+userdefined = express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWasteTerminalTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelOperationEnum = enum_namespace()
-bottomhung = getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
-fixedcasement = getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
-otheroperation = getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
-pivothorizontal = getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
-pivotvertical = getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
-removablecasement = getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
-sidehunglefthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
-sidehungrighthand = getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
-slidinghorizontal = getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
-slidingvertical = getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
-tiltandturnlefthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
-tiltandturnrighthand = getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
-tophung = getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
+bottomhung = express_getattr(IfcWindowPanelOperationEnum, 'BOTTOMHUNG', INDETERMINATE)
+fixedcasement = express_getattr(IfcWindowPanelOperationEnum, 'FIXEDCASEMENT', INDETERMINATE)
+otheroperation = express_getattr(IfcWindowPanelOperationEnum, 'OTHEROPERATION', INDETERMINATE)
+pivothorizontal = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTHORIZONTAL', INDETERMINATE)
+pivotvertical = express_getattr(IfcWindowPanelOperationEnum, 'PIVOTVERTICAL', INDETERMINATE)
+removablecasement = express_getattr(IfcWindowPanelOperationEnum, 'REMOVABLECASEMENT', INDETERMINATE)
+sidehunglefthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGLEFTHAND', INDETERMINATE)
+sidehungrighthand = express_getattr(IfcWindowPanelOperationEnum, 'SIDEHUNGRIGHTHAND', INDETERMINATE)
+slidinghorizontal = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGHORIZONTAL', INDETERMINATE)
+slidingvertical = express_getattr(IfcWindowPanelOperationEnum, 'SLIDINGVERTICAL', INDETERMINATE)
+tiltandturnlefthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNLEFTHAND', INDETERMINATE)
+tiltandturnrighthand = express_getattr(IfcWindowPanelOperationEnum, 'TILTANDTURNRIGHTHAND', INDETERMINATE)
+tophung = express_getattr(IfcWindowPanelOperationEnum, 'TOPHUNG', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelOperationEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowPanelPositionEnum = enum_namespace()
-bottom = getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
-left = getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
-middle = getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
-right = getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
-top = getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
-notdefined = getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
+bottom = express_getattr(IfcWindowPanelPositionEnum, 'BOTTOM', INDETERMINATE)
+left = express_getattr(IfcWindowPanelPositionEnum, 'LEFT', INDETERMINATE)
+middle = express_getattr(IfcWindowPanelPositionEnum, 'MIDDLE', INDETERMINATE)
+right = express_getattr(IfcWindowPanelPositionEnum, 'RIGHT', INDETERMINATE)
+top = express_getattr(IfcWindowPanelPositionEnum, 'TOP', INDETERMINATE)
+notdefined = express_getattr(IfcWindowPanelPositionEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypeEnum = enum_namespace()
-lightdome = getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
-skylight = getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
-window = getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
-userdefined = getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
+lightdome = express_getattr(IfcWindowTypeEnum, 'LIGHTDOME', INDETERMINATE)
+skylight = express_getattr(IfcWindowTypeEnum, 'SKYLIGHT', INDETERMINATE)
+window = express_getattr(IfcWindowTypeEnum, 'WINDOW', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWindowTypePartitioningEnum = enum_namespace()
-double_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
-double_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
-single_panel = getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
-triple_panel_bottom = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
-triple_panel_horizontal = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
-triple_panel_left = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
-triple_panel_right = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
-triple_panel_top = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
-triple_panel_vertical = getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
-userdefined = getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
+double_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_HORIZONTAL', INDETERMINATE)
+double_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'DOUBLE_PANEL_VERTICAL', INDETERMINATE)
+single_panel = express_getattr(IfcWindowTypePartitioningEnum, 'SINGLE_PANEL', INDETERMINATE)
+triple_panel_bottom = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_BOTTOM', INDETERMINATE)
+triple_panel_horizontal = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_HORIZONTAL', INDETERMINATE)
+triple_panel_left = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_LEFT', INDETERMINATE)
+triple_panel_right = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_RIGHT', INDETERMINATE)
+triple_panel_top = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_TOP', INDETERMINATE)
+triple_panel_vertical = express_getattr(IfcWindowTypePartitioningEnum, 'TRIPLE_PANEL_VERTICAL', INDETERMINATE)
+userdefined = express_getattr(IfcWindowTypePartitioningEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWindowTypePartitioningEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkCalendarTypeEnum = enum_namespace()
-firstshift = getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
-secondshift = getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
-thirdshift = getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
-userdefined = getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
+firstshift = express_getattr(IfcWorkCalendarTypeEnum, 'FIRSTSHIFT', INDETERMINATE)
+secondshift = express_getattr(IfcWorkCalendarTypeEnum, 'SECONDSHIFT', INDETERMINATE)
+thirdshift = express_getattr(IfcWorkCalendarTypeEnum, 'THIRDSHIFT', INDETERMINATE)
+userdefined = express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkCalendarTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkPlanTypeEnum = enum_namespace()
-actual = getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkPlanTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkPlanTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkPlanTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkPlanTypeEnum, 'NOTDEFINED', INDETERMINATE)
 IfcWorkScheduleTypeEnum = enum_namespace()
-actual = getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
-baseline = getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
-planned = getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
-userdefined = getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
-notdefined = getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+actual = express_getattr(IfcWorkScheduleTypeEnum, 'ACTUAL', INDETERMINATE)
+baseline = express_getattr(IfcWorkScheduleTypeEnum, 'BASELINE', INDETERMINATE)
+planned = express_getattr(IfcWorkScheduleTypeEnum, 'PLANNED', INDETERMINATE)
+userdefined = express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE)
+notdefined = express_getattr(IfcWorkScheduleTypeEnum, 'NOTDEFINED', INDETERMINATE)
+temp_file = express_getattr(ifcopenshell, 'file', INDETERMINATE)(schema_identifier='IFC4X3_TC1')
 
 def IfcActionRequest(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActionRequest', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActionRequest', *args, **kwargs)
 
 def IfcActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActor', *args, **kwargs)
 
 def IfcActorRole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActorRole', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActorRole', *args, **kwargs)
 
 def IfcActuator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuator', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuator', *args, **kwargs)
 
 def IfcActuatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcActuatorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcActuatorType', *args, **kwargs)
 
 def IfcAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAddress', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAddress', *args, **kwargs)
 
 def IfcAdvancedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrep', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrep', *args, **kwargs)
 
 def IfcAdvancedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedBrepWithVoids', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedBrepWithVoids', *args, **kwargs)
 
 def IfcAdvancedFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAdvancedFace', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAdvancedFace', *args, **kwargs)
 
 def IfcAirTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminal', *args, **kwargs)
 
 def IfcAirTerminalBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBox', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBox', *args, **kwargs)
 
 def IfcAirTerminalBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalBoxType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalBoxType', *args, **kwargs)
 
 def IfcAirTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirTerminalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirTerminalType', *args, **kwargs)
 
 def IfcAirToAirHeatRecovery(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecovery', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecovery', *args, **kwargs)
 
 def IfcAirToAirHeatRecoveryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAirToAirHeatRecoveryType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAirToAirHeatRecoveryType', *args, **kwargs)
 
 def IfcAlarm(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarm', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarm', *args, **kwargs)
 
 def IfcAlarmType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlarmType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlarmType', *args, **kwargs)
 
 def IfcAlignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignment', *args, **kwargs)
 
 def IfcAlignmentCant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCant', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCant', *args, **kwargs)
 
 def IfcAlignmentCantSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentCantSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentCantSegment', *args, **kwargs)
 
 def IfcAlignmentHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontal', *args, **kwargs)
 
 def IfcAlignmentHorizontalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentHorizontalSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentHorizontalSegment', *args, **kwargs)
 
 def IfcAlignmentParameterSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentParameterSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentParameterSegment', *args, **kwargs)
 
 def IfcAlignmentSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentSegment', *args, **kwargs)
 
 def IfcAlignmentVertical(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVertical', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVertical', *args, **kwargs)
 
 def IfcAlignmentVerticalSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAlignmentVerticalSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAlignmentVerticalSegment', *args, **kwargs)
 
 def IfcAnnotation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotation', *args, **kwargs)
 
 def IfcAnnotationFillArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAnnotationFillArea', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAnnotationFillArea', *args, **kwargs)
 
 def IfcApplication(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApplication', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcApplication', *args, **kwargs)
 
 def IfcAppliedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAppliedValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAppliedValue', *args, **kwargs)
 
 def IfcApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApproval', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcApproval', *args, **kwargs)
 
 def IfcApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcApprovalRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcApprovalRelationship', *args, **kwargs)
 
 def IfcArbitraryClosedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryClosedProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryClosedProfileDef', *args, **kwargs)
 
 def IfcArbitraryOpenProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryOpenProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryOpenProfileDef', *args, **kwargs)
 
 def IfcArbitraryProfileDefWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcArbitraryProfileDefWithVoids', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcArbitraryProfileDefWithVoids', *args, **kwargs)
 
 def IfcAsset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsset', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsset', *args, **kwargs)
 
 def IfcAsymmetricIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAsymmetricIShapeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAsymmetricIShapeProfileDef', *args, **kwargs)
 
 def IfcAudioVisualAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualAppliance', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualAppliance', *args, **kwargs)
 
 def IfcAudioVisualApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAudioVisualApplianceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAudioVisualApplianceType', *args, **kwargs)
 
 def IfcAxis1Placement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis1Placement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis1Placement', *args, **kwargs)
 
 def IfcAxis2Placement2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement2D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement2D', *args, **kwargs)
 
 def IfcAxis2Placement3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2Placement3D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2Placement3D', *args, **kwargs)
 
 def IfcAxis2PlacementLinear(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcAxis2PlacementLinear', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcAxis2PlacementLinear', *args, **kwargs)
 
 def IfcBSplineCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurve', *args, **kwargs)
 
 def IfcBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineCurveWithKnots', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcBSplineSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurface', *args, **kwargs)
 
 def IfcBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBSplineSurfaceWithKnots', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeam', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeam', *args, **kwargs)
 
 def IfcBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBeamType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBeamType', *args, **kwargs)
 
 def IfcBearing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearing', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBearing', *args, **kwargs)
 
 def IfcBearingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBearingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBearingType', *args, **kwargs)
 
 def IfcBlobTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlobTexture', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlobTexture', *args, **kwargs)
 
 def IfcBlock(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBlock', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBlock', *args, **kwargs)
 
 def IfcBoiler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoiler', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoiler', *args, **kwargs)
 
 def IfcBoilerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoilerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoilerType', *args, **kwargs)
 
 def IfcBooleanClippingResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanClippingResult', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanClippingResult', *args, **kwargs)
 
 def IfcBooleanResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBooleanResult', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBooleanResult', *args, **kwargs)
 
 def IfcBorehole(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBorehole', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBorehole', *args, **kwargs)
 
 def IfcBoundaryCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCondition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCondition', *args, **kwargs)
 
 def IfcBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryCurve', *args, **kwargs)
 
 def IfcBoundaryEdgeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryEdgeCondition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryEdgeCondition', *args, **kwargs)
 
 def IfcBoundaryFaceCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryFaceCondition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryFaceCondition', *args, **kwargs)
 
 def IfcBoundaryNodeCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeCondition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeCondition', *args, **kwargs)
 
 def IfcBoundaryNodeConditionWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundaryNodeConditionWarping', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundaryNodeConditionWarping', *args, **kwargs)
 
 def IfcBoundedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedCurve', *args, **kwargs)
 
 def IfcBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundedSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundedSurface', *args, **kwargs)
 
 def IfcBoundingBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoundingBox', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoundingBox', *args, **kwargs)
 
 def IfcBoxedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBoxedHalfSpace', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBoxedHalfSpace', *args, **kwargs)
 
 def IfcBridge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridge', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBridge', *args, **kwargs)
 
 def IfcBridgePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBridgePart', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBridgePart', *args, **kwargs)
 
 def IfcBuilding(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuilding', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuilding', *args, **kwargs)
 
 def IfcBuildingElementPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPart', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPart', *args, **kwargs)
 
 def IfcBuildingElementPartType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementPartType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementPartType', *args, **kwargs)
 
 def IfcBuildingElementProxy(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxy', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxy', *args, **kwargs)
 
 def IfcBuildingElementProxyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingElementProxyType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingElementProxyType', *args, **kwargs)
 
 def IfcBuildingStorey(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingStorey', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingStorey', *args, **kwargs)
 
 def IfcBuildingSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuildingSystem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuildingSystem', *args, **kwargs)
 
 def IfcBuiltElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElement', *args, **kwargs)
 
 def IfcBuiltElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltElementType', *args, **kwargs)
 
 def IfcBuiltSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBuiltSystem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBuiltSystem', *args, **kwargs)
 
 def IfcBurner(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurner', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurner', *args, **kwargs)
 
 def IfcBurnerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcBurnerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcBurnerType', *args, **kwargs)
 
 def IfcCShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCShapeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCShapeProfileDef', *args, **kwargs)
 
 def IfcCableCarrierFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFitting', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFitting', *args, **kwargs)
 
 def IfcCableCarrierFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierFittingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierFittingType', *args, **kwargs)
 
 def IfcCableCarrierSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegment', *args, **kwargs)
 
 def IfcCableCarrierSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableCarrierSegmentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableCarrierSegmentType', *args, **kwargs)
 
 def IfcCableFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFitting', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFitting', *args, **kwargs)
 
 def IfcCableFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableFittingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableFittingType', *args, **kwargs)
 
 def IfcCableSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegment', *args, **kwargs)
 
 def IfcCableSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCableSegmentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCableSegmentType', *args, **kwargs)
 
 def IfcCaissonFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundation', *args, **kwargs)
 
 def IfcCaissonFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCaissonFoundationType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCaissonFoundationType', *args, **kwargs)
 
 def IfcCartesianPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPoint', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPoint', *args, **kwargs)
 
 def IfcCartesianPointList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList', *args, **kwargs)
 
 def IfcCartesianPointList2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList2D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList2D', *args, **kwargs)
 
 def IfcCartesianPointList3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianPointList3D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianPointList3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator2DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator2DnonUniform', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator2DnonUniform', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3D', *args, **kwargs)
 
 def IfcCartesianTransformationOperator3DnonUniform(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCartesianTransformationOperator3DnonUniform', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCartesianTransformationOperator3DnonUniform', *args, **kwargs)
 
 def IfcCenterLineProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCenterLineProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCenterLineProfileDef', *args, **kwargs)
 
 def IfcChiller(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChiller', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChiller', *args, **kwargs)
 
 def IfcChillerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChillerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChillerType', *args, **kwargs)
 
 def IfcChimney(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimney', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimney', *args, **kwargs)
 
 def IfcChimneyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcChimneyType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcChimneyType', *args, **kwargs)
 
 def IfcCircle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircle', *args, **kwargs)
 
 def IfcCircleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleHollowProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleHollowProfileDef', *args, **kwargs)
 
 def IfcCircleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCircleProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCircleProfileDef', *args, **kwargs)
 
 def IfcCivilElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElement', *args, **kwargs)
 
 def IfcCivilElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCivilElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCivilElementType', *args, **kwargs)
 
 def IfcClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassification', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassification', *args, **kwargs)
 
 def IfcClassificationReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClassificationReference', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcClassificationReference', *args, **kwargs)
 
 def IfcClosedShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClosedShell', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcClosedShell', *args, **kwargs)
 
 def IfcClothoid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcClothoid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcClothoid', *args, **kwargs)
 
 def IfcCoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoil', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoil', *args, **kwargs)
 
 def IfcCoilType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoilType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoilType', *args, **kwargs)
 
 def IfcColourRgb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgb', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgb', *args, **kwargs)
 
 def IfcColourRgbList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourRgbList', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourRgbList', *args, **kwargs)
 
 def IfcColourSpecification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColourSpecification', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColourSpecification', *args, **kwargs)
 
 def IfcColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumn', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumn', *args, **kwargs)
 
 def IfcColumnType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcColumnType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcColumnType', *args, **kwargs)
 
 def IfcCommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsAppliance', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsAppliance', *args, **kwargs)
 
 def IfcCommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCommunicationsApplianceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCommunicationsApplianceType', *args, **kwargs)
 
 def IfcComplexProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexProperty', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexProperty', *args, **kwargs)
 
 def IfcComplexPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcComplexPropertyTemplate', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcComplexPropertyTemplate', *args, **kwargs)
 
 def IfcCompositeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurve', *args, **kwargs)
 
 def IfcCompositeCurveOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveOnSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveOnSurface', *args, **kwargs)
 
 def IfcCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeCurveSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeCurveSegment', *args, **kwargs)
 
 def IfcCompositeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompositeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompositeProfileDef', *args, **kwargs)
 
 def IfcCompressor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressor', *args, **kwargs)
 
 def IfcCompressorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCompressorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCompressorType', *args, **kwargs)
 
 def IfcCondenser(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenser', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenser', *args, **kwargs)
 
 def IfcCondenserType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCondenserType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCondenserType', *args, **kwargs)
 
 def IfcConic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConic', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConic', *args, **kwargs)
 
 def IfcConnectedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectedFaceSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectedFaceSet', *args, **kwargs)
 
 def IfcConnectionCurveGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionCurveGeometry', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionCurveGeometry', *args, **kwargs)
 
 def IfcConnectionGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionGeometry', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionGeometry', *args, **kwargs)
 
 def IfcConnectionPointEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointEccentricity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointEccentricity', *args, **kwargs)
 
 def IfcConnectionPointGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionPointGeometry', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionPointGeometry', *args, **kwargs)
 
 def IfcConnectionSurfaceGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionSurfaceGeometry', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionSurfaceGeometry', *args, **kwargs)
 
 def IfcConnectionVolumeGeometry(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConnectionVolumeGeometry', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConnectionVolumeGeometry', *args, **kwargs)
 
 def IfcConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstraint', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstraint', *args, **kwargs)
 
 def IfcConstructionEquipmentResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResource', *args, **kwargs)
 
 def IfcConstructionEquipmentResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionEquipmentResourceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionEquipmentResourceType', *args, **kwargs)
 
 def IfcConstructionMaterialResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResource', *args, **kwargs)
 
 def IfcConstructionMaterialResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionMaterialResourceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionMaterialResourceType', *args, **kwargs)
 
 def IfcConstructionProductResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResource', *args, **kwargs)
 
 def IfcConstructionProductResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionProductResourceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionProductResourceType', *args, **kwargs)
 
 def IfcConstructionResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResource', *args, **kwargs)
 
 def IfcConstructionResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConstructionResourceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConstructionResourceType', *args, **kwargs)
 
 def IfcContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContext', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcContext', *args, **kwargs)
 
 def IfcContextDependentUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcContextDependentUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcContextDependentUnit', *args, **kwargs)
 
 def IfcControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControl', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcControl', *args, **kwargs)
 
 def IfcController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcController', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcController', *args, **kwargs)
 
 def IfcControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcControllerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcControllerType', *args, **kwargs)
 
 def IfcConversionBasedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnit', *args, **kwargs)
 
 def IfcConversionBasedUnitWithOffset(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConversionBasedUnitWithOffset', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConversionBasedUnitWithOffset', *args, **kwargs)
 
 def IfcConveyorSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegment', *args, **kwargs)
 
 def IfcConveyorSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcConveyorSegmentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcConveyorSegmentType', *args, **kwargs)
 
 def IfcCooledBeam(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeam', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeam', *args, **kwargs)
 
 def IfcCooledBeamType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCooledBeamType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCooledBeamType', *args, **kwargs)
 
 def IfcCoolingTower(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTower', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTower', *args, **kwargs)
 
 def IfcCoolingTowerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoolingTowerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoolingTowerType', *args, **kwargs)
 
 def IfcCoordinateOperation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateOperation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateOperation', *args, **kwargs)
 
 def IfcCoordinateReferenceSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoordinateReferenceSystem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoordinateReferenceSystem', *args, **kwargs)
 
 def IfcCosineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCosineSpiral', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCosineSpiral', *args, **kwargs)
 
 def IfcCostItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostItem', *args, **kwargs)
 
 def IfcCostSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostSchedule', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostSchedule', *args, **kwargs)
 
 def IfcCostValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCostValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCostValue', *args, **kwargs)
 
 def IfcCourse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourse', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCourse', *args, **kwargs)
 
 def IfcCourseType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCourseType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCourseType', *args, **kwargs)
 
 def IfcCovering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCovering', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCovering', *args, **kwargs)
 
 def IfcCoveringType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCoveringType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCoveringType', *args, **kwargs)
 
 def IfcCrewResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResource', *args, **kwargs)
 
 def IfcCrewResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCrewResourceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCrewResourceType', *args, **kwargs)
 
 def IfcCsgPrimitive3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgPrimitive3D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgPrimitive3D', *args, **kwargs)
 
 def IfcCsgSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCsgSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCsgSolid', *args, **kwargs)
 
 def IfcCurrencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurrencyRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurrencyRelationship', *args, **kwargs)
 
 def IfcCurtainWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWall', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWall', *args, **kwargs)
 
 def IfcCurtainWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurtainWallType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurtainWallType', *args, **kwargs)
 
 def IfcCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurve', *args, **kwargs)
 
 def IfcCurveBoundedPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedPlane', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedPlane', *args, **kwargs)
 
 def IfcCurveBoundedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveBoundedSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveBoundedSurface', *args, **kwargs)
 
 def IfcCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveSegment', *args, **kwargs)
 
 def IfcCurveStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyle', *args, **kwargs)
 
 def IfcCurveStyleFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFont', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFont', *args, **kwargs)
 
 def IfcCurveStyleFontAndScaling(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontAndScaling', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontAndScaling', *args, **kwargs)
 
 def IfcCurveStyleFontPattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCurveStyleFontPattern', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCurveStyleFontPattern', *args, **kwargs)
 
 def IfcCylindricalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcCylindricalSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcCylindricalSurface', *args, **kwargs)
 
 def IfcDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamper', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamper', *args, **kwargs)
 
 def IfcDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDamperType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDamperType', *args, **kwargs)
 
 def IfcDeepFoundation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundation', *args, **kwargs)
 
 def IfcDeepFoundationType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDeepFoundationType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDeepFoundationType', *args, **kwargs)
 
 def IfcDerivedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedProfileDef', *args, **kwargs)
 
 def IfcDerivedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnit', *args, **kwargs)
 
 def IfcDerivedUnitElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDerivedUnitElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDerivedUnitElement', *args, **kwargs)
 
 def IfcDimensionalExponents(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDimensionalExponents', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDimensionalExponents', *args, **kwargs)
 
 def IfcDirection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirection', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirection', *args, **kwargs)
 
 def IfcDirectrixCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixCurveSweptAreaSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcDirectrixDerivedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDirectrixDerivedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcDiscreteAccessory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessory', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessory', *args, **kwargs)
 
 def IfcDiscreteAccessoryType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDiscreteAccessoryType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDiscreteAccessoryType', *args, **kwargs)
 
 def IfcDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoard', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoard', *args, **kwargs)
 
 def IfcDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionBoardType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionBoardType', *args, **kwargs)
 
 def IfcDistributionChamberElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElement', *args, **kwargs)
 
 def IfcDistributionChamberElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionChamberElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionChamberElementType', *args, **kwargs)
 
 def IfcDistributionCircuit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionCircuit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionCircuit', *args, **kwargs)
 
 def IfcDistributionControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElement', *args, **kwargs)
 
 def IfcDistributionControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionControlElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionControlElementType', *args, **kwargs)
 
 def IfcDistributionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElement', *args, **kwargs)
 
 def IfcDistributionElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionElementType', *args, **kwargs)
 
 def IfcDistributionFlowElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElement', *args, **kwargs)
 
 def IfcDistributionFlowElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionFlowElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionFlowElementType', *args, **kwargs)
 
 def IfcDistributionPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionPort', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionPort', *args, **kwargs)
 
 def IfcDistributionSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDistributionSystem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDistributionSystem', *args, **kwargs)
 
 def IfcDocumentInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformation', *args, **kwargs)
 
 def IfcDocumentInformationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentInformationRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentInformationRelationship', *args, **kwargs)
 
 def IfcDocumentReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDocumentReference', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDocumentReference', *args, **kwargs)
 
 def IfcDoor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoor', *args, **kwargs)
 
 def IfcDoorLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorLiningProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorLiningProperties', *args, **kwargs)
 
 def IfcDoorPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorPanelProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorPanelProperties', *args, **kwargs)
 
 def IfcDoorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDoorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDoorType', *args, **kwargs)
 
 def IfcDraughtingPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedColour', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedColour', *args, **kwargs)
 
 def IfcDraughtingPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDraughtingPreDefinedCurveFont', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDraughtingPreDefinedCurveFont', *args, **kwargs)
 
 def IfcDuctFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFitting', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFitting', *args, **kwargs)
 
 def IfcDuctFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctFittingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctFittingType', *args, **kwargs)
 
 def IfcDuctSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegment', *args, **kwargs)
 
 def IfcDuctSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSegmentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSegmentType', *args, **kwargs)
 
 def IfcDuctSilencer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencer', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencer', *args, **kwargs)
 
 def IfcDuctSilencerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcDuctSilencerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcDuctSilencerType', *args, **kwargs)
 
 def IfcEarthworksCut(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksCut', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksCut', *args, **kwargs)
 
 def IfcEarthworksElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksElement', *args, **kwargs)
 
 def IfcEarthworksFill(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEarthworksFill', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEarthworksFill', *args, **kwargs)
 
 def IfcEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdge', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdge', *args, **kwargs)
 
 def IfcEdgeCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeCurve', *args, **kwargs)
 
 def IfcEdgeLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEdgeLoop', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEdgeLoop', *args, **kwargs)
 
 def IfcElectricAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricAppliance', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricAppliance', *args, **kwargs)
 
 def IfcElectricApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricApplianceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricApplianceType', *args, **kwargs)
 
 def IfcElectricDistributionBoard(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoard', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoard', *args, **kwargs)
 
 def IfcElectricDistributionBoardType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricDistributionBoardType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricDistributionBoardType', *args, **kwargs)
 
 def IfcElectricFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDevice', *args, **kwargs)
 
 def IfcElectricFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowStorageDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowStorageDeviceType', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDevice', *args, **kwargs)
 
 def IfcElectricFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricFlowTreatmentDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcElectricGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGenerator', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGenerator', *args, **kwargs)
 
 def IfcElectricGeneratorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricGeneratorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricGeneratorType', *args, **kwargs)
 
 def IfcElectricMotor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotor', *args, **kwargs)
 
 def IfcElectricMotorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricMotorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricMotorType', *args, **kwargs)
 
 def IfcElectricTimeControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControl', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControl', *args, **kwargs)
 
 def IfcElectricTimeControlType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElectricTimeControlType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElectricTimeControlType', *args, **kwargs)
 
 def IfcElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElement', *args, **kwargs)
 
 def IfcElementAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssembly', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssembly', *args, **kwargs)
 
 def IfcElementAssemblyType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementAssemblyType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementAssemblyType', *args, **kwargs)
 
 def IfcElementComponent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponent', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponent', *args, **kwargs)
 
 def IfcElementComponentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementComponentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementComponentType', *args, **kwargs)
 
 def IfcElementQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementQuantity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementQuantity', *args, **kwargs)
 
 def IfcElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementType', *args, **kwargs)
 
 def IfcElementarySurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcElementarySurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcElementarySurface', *args, **kwargs)
 
 def IfcEllipse(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipse', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipse', *args, **kwargs)
 
 def IfcEllipseProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEllipseProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEllipseProfileDef', *args, **kwargs)
 
 def IfcEnergyConversionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDevice', *args, **kwargs)
 
 def IfcEnergyConversionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEnergyConversionDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEnergyConversionDeviceType', *args, **kwargs)
 
 def IfcEngine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngine', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngine', *args, **kwargs)
 
 def IfcEngineType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEngineType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEngineType', *args, **kwargs)
 
 def IfcEvaporativeCooler(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCooler', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCooler', *args, **kwargs)
 
 def IfcEvaporativeCoolerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporativeCoolerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporativeCoolerType', *args, **kwargs)
 
 def IfcEvaporator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporator', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporator', *args, **kwargs)
 
 def IfcEvaporatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvaporatorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvaporatorType', *args, **kwargs)
 
 def IfcEvent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEvent', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEvent', *args, **kwargs)
 
 def IfcEventTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventTime', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventTime', *args, **kwargs)
 
 def IfcEventType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcEventType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcEventType', *args, **kwargs)
 
 def IfcExtendedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtendedProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtendedProperties', *args, **kwargs)
 
 def IfcExternalInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalInformation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalInformation', *args, **kwargs)
 
 def IfcExternalReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReference', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReference', *args, **kwargs)
 
 def IfcExternalReferenceRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalReferenceRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalReferenceRelationship', *args, **kwargs)
 
 def IfcExternalSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialElement', *args, **kwargs)
 
 def IfcExternalSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternalSpatialStructureElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternalSpatialStructureElement', *args, **kwargs)
 
 def IfcExternallyDefinedHatchStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedHatchStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedHatchStyle', *args, **kwargs)
 
 def IfcExternallyDefinedSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedSurfaceStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedSurfaceStyle', *args, **kwargs)
 
 def IfcExternallyDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExternallyDefinedTextFont', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExternallyDefinedTextFont', *args, **kwargs)
 
 def IfcExtrudedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolid', *args, **kwargs)
 
 def IfcExtrudedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcExtrudedAreaSolidTapered', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcExtrudedAreaSolidTapered', *args, **kwargs)
 
 def IfcFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFace', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFace', *args, **kwargs)
 
 def IfcFaceBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBasedSurfaceModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBasedSurfaceModel', *args, **kwargs)
 
 def IfcFaceBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceBound', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceBound', *args, **kwargs)
 
 def IfcFaceOuterBound(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceOuterBound', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceOuterBound', *args, **kwargs)
 
 def IfcFaceSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFaceSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFaceSurface', *args, **kwargs)
 
 def IfcFacetedBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrep', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrep', *args, **kwargs)
 
 def IfcFacetedBrepWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacetedBrepWithVoids', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacetedBrepWithVoids', *args, **kwargs)
 
 def IfcFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacility', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacility', *args, **kwargs)
 
 def IfcFacilityPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPart', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPart', *args, **kwargs)
 
 def IfcFacilityPartCommon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFacilityPartCommon', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFacilityPartCommon', *args, **kwargs)
 
 def IfcFailureConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFailureConnectionCondition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFailureConnectionCondition', *args, **kwargs)
 
 def IfcFan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFan', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFan', *args, **kwargs)
 
 def IfcFanType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFanType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFanType', *args, **kwargs)
 
 def IfcFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastener', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastener', *args, **kwargs)
 
 def IfcFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFastenerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFastenerType', *args, **kwargs)
 
 def IfcFeatureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElement', *args, **kwargs)
 
 def IfcFeatureElementAddition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementAddition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementAddition', *args, **kwargs)
 
 def IfcFeatureElementSubtraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFeatureElementSubtraction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFeatureElementSubtraction', *args, **kwargs)
 
 def IfcFillAreaStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyle', *args, **kwargs)
 
 def IfcFillAreaStyleHatching(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleHatching', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleHatching', *args, **kwargs)
 
 def IfcFillAreaStyleTiles(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFillAreaStyleTiles', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFillAreaStyleTiles', *args, **kwargs)
 
 def IfcFilter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilter', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilter', *args, **kwargs)
 
 def IfcFilterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFilterType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFilterType', *args, **kwargs)
 
 def IfcFireSuppressionTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminal', *args, **kwargs)
 
 def IfcFireSuppressionTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFireSuppressionTerminalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFireSuppressionTerminalType', *args, **kwargs)
 
 def IfcFixedReferenceSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFixedReferenceSweptAreaSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFixedReferenceSweptAreaSolid', *args, **kwargs)
 
 def IfcFlowController(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowController', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowController', *args, **kwargs)
 
 def IfcFlowControllerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowControllerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowControllerType', *args, **kwargs)
 
 def IfcFlowFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFitting', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFitting', *args, **kwargs)
 
 def IfcFlowFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowFittingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowFittingType', *args, **kwargs)
 
 def IfcFlowInstrument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrument', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrument', *args, **kwargs)
 
 def IfcFlowInstrumentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowInstrumentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowInstrumentType', *args, **kwargs)
 
 def IfcFlowMeter(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeter', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeter', *args, **kwargs)
 
 def IfcFlowMeterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMeterType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMeterType', *args, **kwargs)
 
 def IfcFlowMovingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDevice', *args, **kwargs)
 
 def IfcFlowMovingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowMovingDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowMovingDeviceType', *args, **kwargs)
 
 def IfcFlowSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegment', *args, **kwargs)
 
 def IfcFlowSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowSegmentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowSegmentType', *args, **kwargs)
 
 def IfcFlowStorageDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDevice', *args, **kwargs)
 
 def IfcFlowStorageDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowStorageDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowStorageDeviceType', *args, **kwargs)
 
 def IfcFlowTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminal', *args, **kwargs)
 
 def IfcFlowTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTerminalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTerminalType', *args, **kwargs)
 
 def IfcFlowTreatmentDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDevice', *args, **kwargs)
 
 def IfcFlowTreatmentDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFlowTreatmentDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFlowTreatmentDeviceType', *args, **kwargs)
 
 def IfcFooting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFooting', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFooting', *args, **kwargs)
 
 def IfcFootingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFootingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFootingType', *args, **kwargs)
 
 def IfcFurnishingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElement', *args, **kwargs)
 
 def IfcFurnishingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnishingElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnishingElementType', *args, **kwargs)
 
 def IfcFurniture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurniture', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurniture', *args, **kwargs)
 
 def IfcFurnitureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcFurnitureType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcFurnitureType', *args, **kwargs)
 
 def IfcGeographicElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElement', *args, **kwargs)
 
 def IfcGeographicElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeographicElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeographicElementType', *args, **kwargs)
 
 def IfcGeometricCurveSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricCurveSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricCurveSet', *args, **kwargs)
 
 def IfcGeometricRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationContext', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationContext', *args, **kwargs)
 
 def IfcGeometricRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationItem', *args, **kwargs)
 
 def IfcGeometricRepresentationSubContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricRepresentationSubContext', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricRepresentationSubContext', *args, **kwargs)
 
 def IfcGeometricSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeometricSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeometricSet', *args, **kwargs)
 
 def IfcGeomodel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeomodel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeomodel', *args, **kwargs)
 
 def IfcGeoslice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeoslice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeoslice', *args, **kwargs)
 
 def IfcGeotechnicalAssembly(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalAssembly', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalAssembly', *args, **kwargs)
 
 def IfcGeotechnicalElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalElement', *args, **kwargs)
 
 def IfcGeotechnicalStratum(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGeotechnicalStratum', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGeotechnicalStratum', *args, **kwargs)
 
 def IfcGradientCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGradientCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGradientCurve', *args, **kwargs)
 
 def IfcGrid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGrid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGrid', *args, **kwargs)
 
 def IfcGridAxis(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridAxis', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridAxis', *args, **kwargs)
 
 def IfcGridPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGridPlacement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGridPlacement', *args, **kwargs)
 
 def IfcGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcGroup', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcGroup', *args, **kwargs)
 
 def IfcHalfSpaceSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHalfSpaceSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHalfSpaceSolid', *args, **kwargs)
 
 def IfcHeatExchanger(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchanger', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchanger', *args, **kwargs)
 
 def IfcHeatExchangerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHeatExchangerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHeatExchangerType', *args, **kwargs)
 
 def IfcHumidifier(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifier', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifier', *args, **kwargs)
 
 def IfcHumidifierType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcHumidifierType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcHumidifierType', *args, **kwargs)
 
 def IfcIShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIShapeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIShapeProfileDef', *args, **kwargs)
 
 def IfcImageTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImageTexture', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcImageTexture', *args, **kwargs)
 
 def IfcImpactProtectionDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDevice', *args, **kwargs)
 
 def IfcImpactProtectionDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcImpactProtectionDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcImpactProtectionDeviceType', *args, **kwargs)
 
 def IfcIndexedColourMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedColourMap', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedColourMap', *args, **kwargs)
 
 def IfcIndexedPolyCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolyCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolyCurve', *args, **kwargs)
 
 def IfcIndexedPolygonalFace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFace', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFace', *args, **kwargs)
 
 def IfcIndexedPolygonalFaceWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalFaceWithVoids', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalFaceWithVoids', *args, **kwargs)
 
 def IfcIndexedPolygonalTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedPolygonalTextureMap', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedPolygonalTextureMap', *args, **kwargs)
 
 def IfcIndexedTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTextureMap', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTextureMap', *args, **kwargs)
 
 def IfcIndexedTriangleTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIndexedTriangleTextureMap', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIndexedTriangleTextureMap', *args, **kwargs)
 
 def IfcInterceptor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptor', *args, **kwargs)
 
 def IfcInterceptorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInterceptorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcInterceptorType', *args, **kwargs)
 
 def IfcIntersectionCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIntersectionCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIntersectionCurve', *args, **kwargs)
 
 def IfcInventory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcInventory', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcInventory', *args, **kwargs)
 
 def IfcIrregularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeries', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeries', *args, **kwargs)
 
 def IfcIrregularTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcIrregularTimeSeriesValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcIrregularTimeSeriesValue', *args, **kwargs)
 
 def IfcJunctionBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBox', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBox', *args, **kwargs)
 
 def IfcJunctionBoxType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcJunctionBoxType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcJunctionBoxType', *args, **kwargs)
 
 def IfcKerb(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerb', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcKerb', *args, **kwargs)
 
 def IfcKerbType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcKerbType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcKerbType', *args, **kwargs)
 
 def IfcLShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLShapeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLShapeProfileDef', *args, **kwargs)
 
 def IfcLaborResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResource', *args, **kwargs)
 
 def IfcLaborResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLaborResourceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLaborResourceType', *args, **kwargs)
 
 def IfcLagTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLagTime', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLagTime', *args, **kwargs)
 
 def IfcLamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLamp', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLamp', *args, **kwargs)
 
 def IfcLampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLampType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLampType', *args, **kwargs)
 
 def IfcLibraryInformation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryInformation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryInformation', *args, **kwargs)
 
 def IfcLibraryReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLibraryReference', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLibraryReference', *args, **kwargs)
 
 def IfcLightDistributionData(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightDistributionData', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightDistributionData', *args, **kwargs)
 
 def IfcLightFixture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixture', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixture', *args, **kwargs)
 
 def IfcLightFixtureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightFixtureType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightFixtureType', *args, **kwargs)
 
 def IfcLightIntensityDistribution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightIntensityDistribution', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightIntensityDistribution', *args, **kwargs)
 
 def IfcLightSource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSource', *args, **kwargs)
 
 def IfcLightSourceAmbient(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceAmbient', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceAmbient', *args, **kwargs)
 
 def IfcLightSourceDirectional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceDirectional', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceDirectional', *args, **kwargs)
 
 def IfcLightSourceGoniometric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceGoniometric', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceGoniometric', *args, **kwargs)
 
 def IfcLightSourcePositional(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourcePositional', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourcePositional', *args, **kwargs)
 
 def IfcLightSourceSpot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLightSourceSpot', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLightSourceSpot', *args, **kwargs)
 
 def IfcLine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLine', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLine', *args, **kwargs)
 
 def IfcLinearElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearElement', *args, **kwargs)
 
 def IfcLinearPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPlacement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPlacement', *args, **kwargs)
 
 def IfcLinearPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLinearPositioningElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLinearPositioningElement', *args, **kwargs)
 
 def IfcLiquidTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminal', *args, **kwargs)
 
 def IfcLiquidTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLiquidTerminalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLiquidTerminalType', *args, **kwargs)
 
 def IfcLocalPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLocalPlacement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLocalPlacement', *args, **kwargs)
 
 def IfcLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcLoop', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcLoop', *args, **kwargs)
 
 def IfcManifoldSolidBrep(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcManifoldSolidBrep', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcManifoldSolidBrep', *args, **kwargs)
 
 def IfcMapConversion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMapConversion', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMapConversion', *args, **kwargs)
 
 def IfcMappedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMappedItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMappedItem', *args, **kwargs)
 
 def IfcMarineFacility(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarineFacility', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMarineFacility', *args, **kwargs)
 
 def IfcMarinePart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMarinePart', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMarinePart', *args, **kwargs)
 
 def IfcMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterial', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterial', *args, **kwargs)
 
 def IfcMaterialClassificationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialClassificationRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialClassificationRelationship', *args, **kwargs)
 
 def IfcMaterialConstituent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituent', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituent', *args, **kwargs)
 
 def IfcMaterialConstituentSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialConstituentSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialConstituentSet', *args, **kwargs)
 
 def IfcMaterialDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinition', *args, **kwargs)
 
 def IfcMaterialDefinitionRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialDefinitionRepresentation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialDefinitionRepresentation', *args, **kwargs)
 
 def IfcMaterialLayer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayer', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayer', *args, **kwargs)
 
 def IfcMaterialLayerSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSet', *args, **kwargs)
 
 def IfcMaterialLayerSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerSetUsage', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerSetUsage', *args, **kwargs)
 
 def IfcMaterialLayerWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialLayerWithOffsets', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialLayerWithOffsets', *args, **kwargs)
 
 def IfcMaterialList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialList', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialList', *args, **kwargs)
 
 def IfcMaterialProfile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfile', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfile', *args, **kwargs)
 
 def IfcMaterialProfileSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSet', *args, **kwargs)
 
 def IfcMaterialProfileSetUsage(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsage', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsage', *args, **kwargs)
 
 def IfcMaterialProfileSetUsageTapering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileSetUsageTapering', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileSetUsageTapering', *args, **kwargs)
 
 def IfcMaterialProfileWithOffsets(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProfileWithOffsets', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProfileWithOffsets', *args, **kwargs)
 
 def IfcMaterialProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialProperties', *args, **kwargs)
 
 def IfcMaterialRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialRelationship', *args, **kwargs)
 
 def IfcMaterialUsageDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMaterialUsageDefinition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMaterialUsageDefinition', *args, **kwargs)
 
 def IfcMeasureWithUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMeasureWithUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMeasureWithUnit', *args, **kwargs)
 
 def IfcMechanicalFastener(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastener', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastener', *args, **kwargs)
 
 def IfcMechanicalFastenerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMechanicalFastenerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMechanicalFastenerType', *args, **kwargs)
 
 def IfcMedicalDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDevice', *args, **kwargs)
 
 def IfcMedicalDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMedicalDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMedicalDeviceType', *args, **kwargs)
 
 def IfcMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMember', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMember', *args, **kwargs)
 
 def IfcMemberType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMemberType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMemberType', *args, **kwargs)
 
 def IfcMetric(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMetric', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMetric', *args, **kwargs)
 
 def IfcMirroredProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMirroredProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMirroredProfileDef', *args, **kwargs)
 
 def IfcMobileTelecommunicationsAppliance(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsAppliance', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsAppliance', *args, **kwargs)
 
 def IfcMobileTelecommunicationsApplianceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMobileTelecommunicationsApplianceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMobileTelecommunicationsApplianceType', *args, **kwargs)
 
 def IfcMonetaryUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMonetaryUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMonetaryUnit', *args, **kwargs)
 
 def IfcMooringDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDevice', *args, **kwargs)
 
 def IfcMooringDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMooringDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMooringDeviceType', *args, **kwargs)
 
 def IfcMotorConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnection', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnection', *args, **kwargs)
 
 def IfcMotorConnectionType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcMotorConnectionType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcMotorConnectionType', *args, **kwargs)
 
 def IfcNamedUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNamedUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcNamedUnit', *args, **kwargs)
 
 def IfcNavigationElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElement', *args, **kwargs)
 
 def IfcNavigationElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcNavigationElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcNavigationElementType', *args, **kwargs)
 
 def IfcObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObject', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObject', *args, **kwargs)
 
 def IfcObjectDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectDefinition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectDefinition', *args, **kwargs)
 
 def IfcObjectPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjectPlacement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjectPlacement', *args, **kwargs)
 
 def IfcObjective(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcObjective', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcObjective', *args, **kwargs)
 
 def IfcOccupant(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOccupant', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOccupant', *args, **kwargs)
 
 def IfcOffsetCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve', *args, **kwargs)
 
 def IfcOffsetCurve2D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve2D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve2D', *args, **kwargs)
 
 def IfcOffsetCurve3D(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurve3D', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurve3D', *args, **kwargs)
 
 def IfcOffsetCurveByDistances(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOffsetCurveByDistances', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOffsetCurveByDistances', *args, **kwargs)
 
 def IfcOpenCrossProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenCrossProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenCrossProfileDef', *args, **kwargs)
 
 def IfcOpenShell(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpenShell', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpenShell', *args, **kwargs)
 
 def IfcOpeningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOpeningElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOpeningElement', *args, **kwargs)
 
 def IfcOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganization', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganization', *args, **kwargs)
 
 def IfcOrganizationRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrganizationRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrganizationRelationship', *args, **kwargs)
 
 def IfcOrientedEdge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOrientedEdge', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOrientedEdge', *args, **kwargs)
 
 def IfcOuterBoundaryCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOuterBoundaryCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOuterBoundaryCurve', *args, **kwargs)
 
 def IfcOutlet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutlet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutlet', *args, **kwargs)
 
 def IfcOutletType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOutletType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOutletType', *args, **kwargs)
 
 def IfcOwnerHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcOwnerHistory', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcOwnerHistory', *args, **kwargs)
 
 def IfcParameterizedProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcParameterizedProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcParameterizedProfileDef', *args, **kwargs)
 
 def IfcPath(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPath', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPath', *args, **kwargs)
 
 def IfcPavement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPavement', *args, **kwargs)
 
 def IfcPavementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPavementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPavementType', *args, **kwargs)
 
 def IfcPcurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPcurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPcurve', *args, **kwargs)
 
 def IfcPerformanceHistory(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerformanceHistory', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerformanceHistory', *args, **kwargs)
 
 def IfcPermeableCoveringProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermeableCoveringProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermeableCoveringProperties', *args, **kwargs)
 
 def IfcPermit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPermit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPermit', *args, **kwargs)
 
 def IfcPerson(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPerson', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPerson', *args, **kwargs)
 
 def IfcPersonAndOrganization(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPersonAndOrganization', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPersonAndOrganization', *args, **kwargs)
 
 def IfcPhysicalComplexQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalComplexQuantity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalComplexQuantity', *args, **kwargs)
 
 def IfcPhysicalQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalQuantity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalQuantity', *args, **kwargs)
 
 def IfcPhysicalSimpleQuantity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPhysicalSimpleQuantity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPhysicalSimpleQuantity', *args, **kwargs)
 
 def IfcPile(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPile', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPile', *args, **kwargs)
 
 def IfcPileType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPileType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPileType', *args, **kwargs)
 
 def IfcPipeFitting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFitting', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFitting', *args, **kwargs)
 
 def IfcPipeFittingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeFittingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeFittingType', *args, **kwargs)
 
 def IfcPipeSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegment', *args, **kwargs)
 
 def IfcPipeSegmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPipeSegmentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPipeSegmentType', *args, **kwargs)
 
 def IfcPixelTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPixelTexture', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPixelTexture', *args, **kwargs)
 
 def IfcPlacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlacement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlacement', *args, **kwargs)
 
 def IfcPlanarBox(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarBox', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarBox', *args, **kwargs)
 
 def IfcPlanarExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlanarExtent', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlanarExtent', *args, **kwargs)
 
 def IfcPlane(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlane', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlane', *args, **kwargs)
 
 def IfcPlate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlate', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlate', *args, **kwargs)
 
 def IfcPlateType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPlateType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPlateType', *args, **kwargs)
 
 def IfcPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPoint', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPoint', *args, **kwargs)
 
 def IfcPointByDistanceExpression(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointByDistanceExpression', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointByDistanceExpression', *args, **kwargs)
 
 def IfcPointOnCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnCurve', *args, **kwargs)
 
 def IfcPointOnSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPointOnSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPointOnSurface', *args, **kwargs)
 
 def IfcPolyLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyLoop', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyLoop', *args, **kwargs)
 
 def IfcPolygonalBoundedHalfSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalBoundedHalfSpace', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalBoundedHalfSpace', *args, **kwargs)
 
 def IfcPolygonalFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolygonalFaceSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolygonalFaceSet', *args, **kwargs)
 
 def IfcPolyline(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolyline', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolyline', *args, **kwargs)
 
 def IfcPolynomialCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPolynomialCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPolynomialCurve', *args, **kwargs)
 
 def IfcPort(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPort', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPort', *args, **kwargs)
 
 def IfcPositioningElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPositioningElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPositioningElement', *args, **kwargs)
 
 def IfcPostalAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPostalAddress', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPostalAddress', *args, **kwargs)
 
 def IfcPreDefinedColour(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedColour', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedColour', *args, **kwargs)
 
 def IfcPreDefinedCurveFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedCurveFont', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedCurveFont', *args, **kwargs)
 
 def IfcPreDefinedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedItem', *args, **kwargs)
 
 def IfcPreDefinedProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedProperties', *args, **kwargs)
 
 def IfcPreDefinedPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedPropertySet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedPropertySet', *args, **kwargs)
 
 def IfcPreDefinedTextFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPreDefinedTextFont', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPreDefinedTextFont', *args, **kwargs)
 
 def IfcPresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationItem', *args, **kwargs)
 
 def IfcPresentationLayerAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerAssignment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerAssignment', *args, **kwargs)
 
 def IfcPresentationLayerWithStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationLayerWithStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationLayerWithStyle', *args, **kwargs)
 
 def IfcPresentationStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPresentationStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPresentationStyle', *args, **kwargs)
 
 def IfcProcedure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedure', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedure', *args, **kwargs)
 
 def IfcProcedureType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcedureType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcedureType', *args, **kwargs)
 
 def IfcProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProcess', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProcess', *args, **kwargs)
 
 def IfcProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProduct', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProduct', *args, **kwargs)
 
 def IfcProductDefinitionShape(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductDefinitionShape', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductDefinitionShape', *args, **kwargs)
 
 def IfcProductRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProductRepresentation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProductRepresentation', *args, **kwargs)
 
 def IfcProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileDef', *args, **kwargs)
 
 def IfcProfileProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProfileProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProfileProperties', *args, **kwargs)
 
 def IfcProject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProject', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProject', *args, **kwargs)
 
 def IfcProjectLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectLibrary', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectLibrary', *args, **kwargs)
 
 def IfcProjectOrder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectOrder', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectOrder', *args, **kwargs)
 
 def IfcProjectedCRS(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectedCRS', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectedCRS', *args, **kwargs)
 
 def IfcProjectionElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProjectionElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProjectionElement', *args, **kwargs)
 
 def IfcProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProperty', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProperty', *args, **kwargs)
 
 def IfcPropertyAbstraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyAbstraction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyAbstraction', *args, **kwargs)
 
 def IfcPropertyBoundedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyBoundedValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyBoundedValue', *args, **kwargs)
 
 def IfcPropertyDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDefinition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDefinition', *args, **kwargs)
 
 def IfcPropertyDependencyRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyDependencyRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyDependencyRelationship', *args, **kwargs)
 
 def IfcPropertyEnumeratedValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeratedValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeratedValue', *args, **kwargs)
 
 def IfcPropertyEnumeration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyEnumeration', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyEnumeration', *args, **kwargs)
 
 def IfcPropertyListValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyListValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyListValue', *args, **kwargs)
 
 def IfcPropertyReferenceValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyReferenceValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyReferenceValue', *args, **kwargs)
 
 def IfcPropertySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySet', *args, **kwargs)
 
 def IfcPropertySetDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetDefinition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetDefinition', *args, **kwargs)
 
 def IfcPropertySetTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySetTemplate', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySetTemplate', *args, **kwargs)
 
 def IfcPropertySingleValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertySingleValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertySingleValue', *args, **kwargs)
 
 def IfcPropertyTableValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTableValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTableValue', *args, **kwargs)
 
 def IfcPropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplate', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplate', *args, **kwargs)
 
 def IfcPropertyTemplateDefinition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPropertyTemplateDefinition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPropertyTemplateDefinition', *args, **kwargs)
 
 def IfcProtectiveDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDevice', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnit', *args, **kwargs)
 
 def IfcProtectiveDeviceTrippingUnitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceTrippingUnitType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceTrippingUnitType', *args, **kwargs)
 
 def IfcProtectiveDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcProtectiveDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcProtectiveDeviceType', *args, **kwargs)
 
 def IfcPump(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPump', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPump', *args, **kwargs)
 
 def IfcPumpType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcPumpType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcPumpType', *args, **kwargs)
 
 def IfcQuantityArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityArea', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityArea', *args, **kwargs)
 
 def IfcQuantityCount(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityCount', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityCount', *args, **kwargs)
 
 def IfcQuantityLength(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityLength', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityLength', *args, **kwargs)
 
 def IfcQuantityNumber(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityNumber', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityNumber', *args, **kwargs)
 
 def IfcQuantitySet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantitySet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantitySet', *args, **kwargs)
 
 def IfcQuantityTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityTime', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityTime', *args, **kwargs)
 
 def IfcQuantityVolume(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityVolume', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityVolume', *args, **kwargs)
 
 def IfcQuantityWeight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcQuantityWeight', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcQuantityWeight', *args, **kwargs)
 
 def IfcRail(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRail', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRail', *args, **kwargs)
 
 def IfcRailType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailType', *args, **kwargs)
 
 def IfcRailing(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailing', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailing', *args, **kwargs)
 
 def IfcRailingType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailingType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailingType', *args, **kwargs)
 
 def IfcRailway(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailway', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailway', *args, **kwargs)
 
 def IfcRailwayPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRailwayPart', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRailwayPart', *args, **kwargs)
 
 def IfcRamp(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRamp', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRamp', *args, **kwargs)
 
 def IfcRampFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlight', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlight', *args, **kwargs)
 
 def IfcRampFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampFlightType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampFlightType', *args, **kwargs)
 
 def IfcRampType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRampType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRampType', *args, **kwargs)
 
 def IfcRationalBSplineCurveWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineCurveWithKnots', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineCurveWithKnots', *args, **kwargs)
 
 def IfcRationalBSplineSurfaceWithKnots(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRationalBSplineSurfaceWithKnots', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRationalBSplineSurfaceWithKnots', *args, **kwargs)
 
 def IfcRectangleHollowProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleHollowProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleHollowProfileDef', *args, **kwargs)
 
 def IfcRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangleProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangleProfileDef', *args, **kwargs)
 
 def IfcRectangularPyramid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularPyramid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularPyramid', *args, **kwargs)
 
 def IfcRectangularTrimmedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRectangularTrimmedSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRectangularTrimmedSurface', *args, **kwargs)
 
 def IfcRecurrencePattern(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRecurrencePattern', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRecurrencePattern', *args, **kwargs)
 
 def IfcReference(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReference', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReference', *args, **kwargs)
 
 def IfcReferent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReferent', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReferent', *args, **kwargs)
 
 def IfcRegularTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRegularTimeSeries', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRegularTimeSeries', *args, **kwargs)
 
 def IfcReinforcedSoil(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcedSoil', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcedSoil', *args, **kwargs)
 
 def IfcReinforcementBarProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementBarProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementBarProperties', *args, **kwargs)
 
 def IfcReinforcementDefinitionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcementDefinitionProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcementDefinitionProperties', *args, **kwargs)
 
 def IfcReinforcingBar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBar', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBar', *args, **kwargs)
 
 def IfcReinforcingBarType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingBarType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingBarType', *args, **kwargs)
 
 def IfcReinforcingElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElement', *args, **kwargs)
 
 def IfcReinforcingElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingElementType', *args, **kwargs)
 
 def IfcReinforcingMesh(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMesh', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMesh', *args, **kwargs)
 
 def IfcReinforcingMeshType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReinforcingMeshType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReinforcingMeshType', *args, **kwargs)
 
 def IfcRelAdheresToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAdheresToElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAdheresToElement', *args, **kwargs)
 
 def IfcRelAggregates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAggregates', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAggregates', *args, **kwargs)
 
 def IfcRelAssigns(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssigns', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssigns', *args, **kwargs)
 
 def IfcRelAssignsToActor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToActor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToActor', *args, **kwargs)
 
 def IfcRelAssignsToControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToControl', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToControl', *args, **kwargs)
 
 def IfcRelAssignsToGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroup', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroup', *args, **kwargs)
 
 def IfcRelAssignsToGroupByFactor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToGroupByFactor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToGroupByFactor', *args, **kwargs)
 
 def IfcRelAssignsToProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProcess', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProcess', *args, **kwargs)
 
 def IfcRelAssignsToProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToProduct', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToProduct', *args, **kwargs)
 
 def IfcRelAssignsToResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssignsToResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssignsToResource', *args, **kwargs)
 
 def IfcRelAssociates(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociates', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociates', *args, **kwargs)
 
 def IfcRelAssociatesApproval(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesApproval', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesApproval', *args, **kwargs)
 
 def IfcRelAssociatesClassification(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesClassification', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesClassification', *args, **kwargs)
 
 def IfcRelAssociatesConstraint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesConstraint', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesConstraint', *args, **kwargs)
 
 def IfcRelAssociatesDocument(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesDocument', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesDocument', *args, **kwargs)
 
 def IfcRelAssociatesLibrary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesLibrary', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesLibrary', *args, **kwargs)
 
 def IfcRelAssociatesMaterial(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesMaterial', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesMaterial', *args, **kwargs)
 
 def IfcRelAssociatesProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelAssociatesProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelAssociatesProfileDef', *args, **kwargs)
 
 def IfcRelConnects(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnects', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnects', *args, **kwargs)
 
 def IfcRelConnectsElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsElements', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsElements', *args, **kwargs)
 
 def IfcRelConnectsPathElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPathElements', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPathElements', *args, **kwargs)
 
 def IfcRelConnectsPortToElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPortToElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPortToElement', *args, **kwargs)
 
 def IfcRelConnectsPorts(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsPorts', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsPorts', *args, **kwargs)
 
 def IfcRelConnectsStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralActivity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralActivity', *args, **kwargs)
 
 def IfcRelConnectsStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsStructuralMember', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsStructuralMember', *args, **kwargs)
 
 def IfcRelConnectsWithEccentricity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithEccentricity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithEccentricity', *args, **kwargs)
 
 def IfcRelConnectsWithRealizingElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelConnectsWithRealizingElements', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelConnectsWithRealizingElements', *args, **kwargs)
 
 def IfcRelContainedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelContainedInSpatialStructure', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelContainedInSpatialStructure', *args, **kwargs)
 
 def IfcRelCoversBldgElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversBldgElements', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversBldgElements', *args, **kwargs)
 
 def IfcRelCoversSpaces(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelCoversSpaces', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelCoversSpaces', *args, **kwargs)
 
 def IfcRelDeclares(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDeclares', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDeclares', *args, **kwargs)
 
 def IfcRelDecomposes(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDecomposes', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDecomposes', *args, **kwargs)
 
 def IfcRelDefines(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefines', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefines', *args, **kwargs)
 
 def IfcRelDefinesByObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByObject', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByObject', *args, **kwargs)
 
 def IfcRelDefinesByProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByProperties', *args, **kwargs)
 
 def IfcRelDefinesByTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByTemplate', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByTemplate', *args, **kwargs)
 
 def IfcRelDefinesByType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelDefinesByType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelDefinesByType', *args, **kwargs)
 
 def IfcRelFillsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFillsElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFillsElement', *args, **kwargs)
 
 def IfcRelFlowControlElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelFlowControlElements', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelFlowControlElements', *args, **kwargs)
 
 def IfcRelInterferesElements(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelInterferesElements', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelInterferesElements', *args, **kwargs)
 
 def IfcRelNests(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelNests', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelNests', *args, **kwargs)
 
 def IfcRelPositions(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelPositions', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelPositions', *args, **kwargs)
 
 def IfcRelProjectsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelProjectsElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelProjectsElement', *args, **kwargs)
 
 def IfcRelReferencedInSpatialStructure(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelReferencedInSpatialStructure', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelReferencedInSpatialStructure', *args, **kwargs)
 
 def IfcRelSequence(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSequence', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSequence', *args, **kwargs)
 
 def IfcRelServicesBuildings(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelServicesBuildings', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelServicesBuildings', *args, **kwargs)
 
 def IfcRelSpaceBoundary(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary', *args, **kwargs)
 
 def IfcRelSpaceBoundary1stLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary1stLevel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary1stLevel', *args, **kwargs)
 
 def IfcRelSpaceBoundary2ndLevel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelSpaceBoundary2ndLevel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelSpaceBoundary2ndLevel', *args, **kwargs)
 
 def IfcRelVoidsElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelVoidsElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelVoidsElement', *args, **kwargs)
 
 def IfcRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRelationship', *args, **kwargs)
 
 def IfcReparametrisedCompositeCurveSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcReparametrisedCompositeCurveSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcReparametrisedCompositeCurveSegment', *args, **kwargs)
 
 def IfcRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentation', *args, **kwargs)
 
 def IfcRepresentationContext(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationContext', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationContext', *args, **kwargs)
 
 def IfcRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationItem', *args, **kwargs)
 
 def IfcRepresentationMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRepresentationMap', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRepresentationMap', *args, **kwargs)
 
 def IfcResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResource', *args, **kwargs)
 
 def IfcResourceApprovalRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceApprovalRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceApprovalRelationship', *args, **kwargs)
 
 def IfcResourceConstraintRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceConstraintRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceConstraintRelationship', *args, **kwargs)
 
 def IfcResourceLevelRelationship(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceLevelRelationship', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceLevelRelationship', *args, **kwargs)
 
 def IfcResourceTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcResourceTime', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcResourceTime', *args, **kwargs)
 
 def IfcRevolvedAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolid', *args, **kwargs)
 
 def IfcRevolvedAreaSolidTapered(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRevolvedAreaSolidTapered', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRevolvedAreaSolidTapered', *args, **kwargs)
 
 def IfcRightCircularCone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCone', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCone', *args, **kwargs)
 
 def IfcRightCircularCylinder(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRightCircularCylinder', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRightCircularCylinder', *args, **kwargs)
 
 def IfcRoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoad', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoad', *args, **kwargs)
 
 def IfcRoadPart(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoadPart', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoadPart', *args, **kwargs)
 
 def IfcRoof(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoof', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoof', *args, **kwargs)
 
 def IfcRoofType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoofType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoofType', *args, **kwargs)
 
 def IfcRoot(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoot', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoot', *args, **kwargs)
 
 def IfcRoundedRectangleProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcRoundedRectangleProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcRoundedRectangleProfileDef', *args, **kwargs)
 
 def IfcSIUnit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSIUnit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSIUnit', *args, **kwargs)
 
 def IfcSanitaryTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminal', *args, **kwargs)
 
 def IfcSanitaryTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSanitaryTerminalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSanitaryTerminalType', *args, **kwargs)
 
 def IfcSchedulingTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSchedulingTime', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSchedulingTime', *args, **kwargs)
 
 def IfcSeamCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeamCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSeamCurve', *args, **kwargs)
 
 def IfcSecondOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSecondOrderPolynomialSpiral', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSecondOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcSectionProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionProperties', *args, **kwargs)
 
 def IfcSectionReinforcementProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionReinforcementProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionReinforcementProperties', *args, **kwargs)
 
 def IfcSectionedSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolid', *args, **kwargs)
 
 def IfcSectionedSolidHorizontal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSolidHorizontal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSolidHorizontal', *args, **kwargs)
 
 def IfcSectionedSpine(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSpine', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSpine', *args, **kwargs)
 
 def IfcSectionedSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSectionedSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSectionedSurface', *args, **kwargs)
 
 def IfcSegment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSegment', *args, **kwargs)
 
 def IfcSegmentedReferenceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSegmentedReferenceCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSegmentedReferenceCurve', *args, **kwargs)
 
 def IfcSensor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensor', *args, **kwargs)
 
 def IfcSensorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSensorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSensorType', *args, **kwargs)
 
 def IfcSeventhOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSeventhOrderPolynomialSpiral', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSeventhOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcShadingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDevice', *args, **kwargs)
 
 def IfcShadingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShadingDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShadingDeviceType', *args, **kwargs)
 
 def IfcShapeAspect(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeAspect', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeAspect', *args, **kwargs)
 
 def IfcShapeModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeModel', *args, **kwargs)
 
 def IfcShapeRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShapeRepresentation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShapeRepresentation', *args, **kwargs)
 
 def IfcShellBasedSurfaceModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcShellBasedSurfaceModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcShellBasedSurfaceModel', *args, **kwargs)
 
 def IfcSign(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSign', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSign', *args, **kwargs)
 
 def IfcSignType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignType', *args, **kwargs)
 
 def IfcSignal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignal', *args, **kwargs)
 
 def IfcSignalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSignalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSignalType', *args, **kwargs)
 
 def IfcSimpleProperty(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimpleProperty', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimpleProperty', *args, **kwargs)
 
 def IfcSimplePropertyTemplate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSimplePropertyTemplate', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSimplePropertyTemplate', *args, **kwargs)
 
 def IfcSineSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSineSpiral', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSineSpiral', *args, **kwargs)
 
 def IfcSite(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSite', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSite', *args, **kwargs)
 
 def IfcSlab(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlab', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlab', *args, **kwargs)
 
 def IfcSlabType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlabType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlabType', *args, **kwargs)
 
 def IfcSlippageConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSlippageConnectionCondition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSlippageConnectionCondition', *args, **kwargs)
 
 def IfcSolarDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDevice', *args, **kwargs)
 
 def IfcSolarDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolarDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolarDeviceType', *args, **kwargs)
 
 def IfcSolidModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSolidModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSolidModel', *args, **kwargs)
 
 def IfcSpace(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpace', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpace', *args, **kwargs)
 
 def IfcSpaceHeater(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeater', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeater', *args, **kwargs)
 
 def IfcSpaceHeaterType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceHeaterType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceHeaterType', *args, **kwargs)
 
 def IfcSpaceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpaceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpaceType', *args, **kwargs)
 
 def IfcSpatialElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElement', *args, **kwargs)
 
 def IfcSpatialElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialElementType', *args, **kwargs)
 
 def IfcSpatialStructureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElement', *args, **kwargs)
 
 def IfcSpatialStructureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialStructureElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialStructureElementType', *args, **kwargs)
 
 def IfcSpatialZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZone', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZone', *args, **kwargs)
 
 def IfcSpatialZoneType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpatialZoneType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpatialZoneType', *args, **kwargs)
 
 def IfcSphere(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphere', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphere', *args, **kwargs)
 
 def IfcSphericalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSphericalSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSphericalSurface', *args, **kwargs)
 
 def IfcSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSpiral', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSpiral', *args, **kwargs)
 
 def IfcStackTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminal', *args, **kwargs)
 
 def IfcStackTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStackTerminalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStackTerminalType', *args, **kwargs)
 
 def IfcStair(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStair', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStair', *args, **kwargs)
 
 def IfcStairFlight(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlight', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlight', *args, **kwargs)
 
 def IfcStairFlightType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairFlightType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairFlightType', *args, **kwargs)
 
 def IfcStairType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStairType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStairType', *args, **kwargs)
 
 def IfcStructuralAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAction', *args, **kwargs)
 
 def IfcStructuralActivity(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralActivity', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralActivity', *args, **kwargs)
 
 def IfcStructuralAnalysisModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralAnalysisModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralAnalysisModel', *args, **kwargs)
 
 def IfcStructuralConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnection', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnection', *args, **kwargs)
 
 def IfcStructuralConnectionCondition(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralConnectionCondition', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralConnectionCondition', *args, **kwargs)
 
 def IfcStructuralCurveAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveAction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveAction', *args, **kwargs)
 
 def IfcStructuralCurveConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveConnection', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveConnection', *args, **kwargs)
 
 def IfcStructuralCurveMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMember', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMember', *args, **kwargs)
 
 def IfcStructuralCurveMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveMemberVarying', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveMemberVarying', *args, **kwargs)
 
 def IfcStructuralCurveReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralCurveReaction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralCurveReaction', *args, **kwargs)
 
 def IfcStructuralItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralItem', *args, **kwargs)
 
 def IfcStructuralLinearAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLinearAction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLinearAction', *args, **kwargs)
 
 def IfcStructuralLoad(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoad', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoad', *args, **kwargs)
 
 def IfcStructuralLoadCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadCase', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadCase', *args, **kwargs)
 
 def IfcStructuralLoadConfiguration(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadConfiguration', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadConfiguration', *args, **kwargs)
 
 def IfcStructuralLoadGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadGroup', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadGroup', *args, **kwargs)
 
 def IfcStructuralLoadLinearForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadLinearForce', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadLinearForce', *args, **kwargs)
 
 def IfcStructuralLoadOrResult(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadOrResult', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadOrResult', *args, **kwargs)
 
 def IfcStructuralLoadPlanarForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadPlanarForce', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadPlanarForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacement', *args, **kwargs)
 
 def IfcStructuralLoadSingleDisplacementDistortion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleDisplacementDistortion', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleDisplacementDistortion', *args, **kwargs)
 
 def IfcStructuralLoadSingleForce(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForce', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForce', *args, **kwargs)
 
 def IfcStructuralLoadSingleForceWarping(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadSingleForceWarping', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadSingleForceWarping', *args, **kwargs)
 
 def IfcStructuralLoadStatic(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadStatic', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadStatic', *args, **kwargs)
 
 def IfcStructuralLoadTemperature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralLoadTemperature', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralLoadTemperature', *args, **kwargs)
 
 def IfcStructuralMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralMember', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralMember', *args, **kwargs)
 
 def IfcStructuralPlanarAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPlanarAction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPlanarAction', *args, **kwargs)
 
 def IfcStructuralPointAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointAction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointAction', *args, **kwargs)
 
 def IfcStructuralPointConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointConnection', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointConnection', *args, **kwargs)
 
 def IfcStructuralPointReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralPointReaction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralPointReaction', *args, **kwargs)
 
 def IfcStructuralReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralReaction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralReaction', *args, **kwargs)
 
 def IfcStructuralResultGroup(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralResultGroup', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralResultGroup', *args, **kwargs)
 
 def IfcStructuralSurfaceAction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceAction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceAction', *args, **kwargs)
 
 def IfcStructuralSurfaceConnection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceConnection', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceConnection', *args, **kwargs)
 
 def IfcStructuralSurfaceMember(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMember', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMember', *args, **kwargs)
 
 def IfcStructuralSurfaceMemberVarying(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceMemberVarying', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceMemberVarying', *args, **kwargs)
 
 def IfcStructuralSurfaceReaction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStructuralSurfaceReaction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStructuralSurfaceReaction', *args, **kwargs)
 
 def IfcStyleModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyleModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyleModel', *args, **kwargs)
 
 def IfcStyledItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledItem', *args, **kwargs)
 
 def IfcStyledRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcStyledRepresentation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcStyledRepresentation', *args, **kwargs)
 
 def IfcSubContractResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResource', *args, **kwargs)
 
 def IfcSubContractResourceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubContractResourceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubContractResourceType', *args, **kwargs)
 
 def IfcSubedge(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSubedge', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSubedge', *args, **kwargs)
 
 def IfcSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurface', *args, **kwargs)
 
 def IfcSurfaceCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurve', *args, **kwargs)
 
 def IfcSurfaceCurveSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceCurveSweptAreaSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceCurveSweptAreaSolid', *args, **kwargs)
 
 def IfcSurfaceFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceFeature', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceFeature', *args, **kwargs)
 
 def IfcSurfaceOfLinearExtrusion(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfLinearExtrusion', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfLinearExtrusion', *args, **kwargs)
 
 def IfcSurfaceOfRevolution(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceOfRevolution', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceOfRevolution', *args, **kwargs)
 
 def IfcSurfaceReinforcementArea(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceReinforcementArea', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceReinforcementArea', *args, **kwargs)
 
 def IfcSurfaceStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyle', *args, **kwargs)
 
 def IfcSurfaceStyleLighting(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleLighting', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleLighting', *args, **kwargs)
 
 def IfcSurfaceStyleRefraction(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRefraction', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRefraction', *args, **kwargs)
 
 def IfcSurfaceStyleRendering(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleRendering', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleRendering', *args, **kwargs)
 
 def IfcSurfaceStyleShading(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleShading', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleShading', *args, **kwargs)
 
 def IfcSurfaceStyleWithTextures(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceStyleWithTextures', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceStyleWithTextures', *args, **kwargs)
 
 def IfcSurfaceTexture(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSurfaceTexture', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSurfaceTexture', *args, **kwargs)
 
 def IfcSweptAreaSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptAreaSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptAreaSolid', *args, **kwargs)
 
 def IfcSweptDiskSolid(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolid', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolid', *args, **kwargs)
 
 def IfcSweptDiskSolidPolygonal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptDiskSolidPolygonal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptDiskSolidPolygonal', *args, **kwargs)
 
 def IfcSweptSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSweptSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSweptSurface', *args, **kwargs)
 
 def IfcSwitchingDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDevice', *args, **kwargs)
 
 def IfcSwitchingDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSwitchingDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSwitchingDeviceType', *args, **kwargs)
 
 def IfcSystem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystem', *args, **kwargs)
 
 def IfcSystemFurnitureElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElement', *args, **kwargs)
 
 def IfcSystemFurnitureElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcSystemFurnitureElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcSystemFurnitureElementType', *args, **kwargs)
 
 def IfcTShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTShapeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTShapeProfileDef', *args, **kwargs)
 
 def IfcTable(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTable', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTable', *args, **kwargs)
 
 def IfcTableColumn(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableColumn', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableColumn', *args, **kwargs)
 
 def IfcTableRow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTableRow', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTableRow', *args, **kwargs)
 
 def IfcTank(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTank', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTank', *args, **kwargs)
 
 def IfcTankType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTankType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTankType', *args, **kwargs)
 
 def IfcTask(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTask', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTask', *args, **kwargs)
 
 def IfcTaskTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTime', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTime', *args, **kwargs)
 
 def IfcTaskTimeRecurring(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskTimeRecurring', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskTimeRecurring', *args, **kwargs)
 
 def IfcTaskType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTaskType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTaskType', *args, **kwargs)
 
 def IfcTelecomAddress(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTelecomAddress', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTelecomAddress', *args, **kwargs)
 
 def IfcTendon(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendon', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendon', *args, **kwargs)
 
 def IfcTendonAnchor(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchor', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchor', *args, **kwargs)
 
 def IfcTendonAnchorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonAnchorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonAnchorType', *args, **kwargs)
 
 def IfcTendonConduit(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduit', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduit', *args, **kwargs)
 
 def IfcTendonConduitType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonConduitType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonConduitType', *args, **kwargs)
 
 def IfcTendonType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTendonType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTendonType', *args, **kwargs)
 
 def IfcTessellatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedFaceSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedFaceSet', *args, **kwargs)
 
 def IfcTessellatedItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTessellatedItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTessellatedItem', *args, **kwargs)
 
 def IfcTextLiteral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteral', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteral', *args, **kwargs)
 
 def IfcTextLiteralWithExtent(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextLiteralWithExtent', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextLiteralWithExtent', *args, **kwargs)
 
 def IfcTextStyle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyle', *args, **kwargs)
 
 def IfcTextStyleFontModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleFontModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleFontModel', *args, **kwargs)
 
 def IfcTextStyleForDefinedFont(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleForDefinedFont', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleForDefinedFont', *args, **kwargs)
 
 def IfcTextStyleTextModel(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextStyleTextModel', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextStyleTextModel', *args, **kwargs)
 
 def IfcTextureCoordinate(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinate', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinate', *args, **kwargs)
 
 def IfcTextureCoordinateGenerator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateGenerator', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateGenerator', *args, **kwargs)
 
 def IfcTextureCoordinateIndices(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndices', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndices', *args, **kwargs)
 
 def IfcTextureCoordinateIndicesWithVoids(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureCoordinateIndicesWithVoids', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureCoordinateIndicesWithVoids', *args, **kwargs)
 
 def IfcTextureMap(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureMap', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureMap', *args, **kwargs)
 
 def IfcTextureVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertex', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertex', *args, **kwargs)
 
 def IfcTextureVertexList(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTextureVertexList', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTextureVertexList', *args, **kwargs)
 
 def IfcThirdOrderPolynomialSpiral(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcThirdOrderPolynomialSpiral', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcThirdOrderPolynomialSpiral', *args, **kwargs)
 
 def IfcTimePeriod(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimePeriod', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimePeriod', *args, **kwargs)
 
 def IfcTimeSeries(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeries', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeries', *args, **kwargs)
 
 def IfcTimeSeriesValue(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTimeSeriesValue', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTimeSeriesValue', *args, **kwargs)
 
 def IfcTopologicalRepresentationItem(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologicalRepresentationItem', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologicalRepresentationItem', *args, **kwargs)
 
 def IfcTopologyRepresentation(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTopologyRepresentation', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTopologyRepresentation', *args, **kwargs)
 
 def IfcToroidalSurface(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcToroidalSurface', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcToroidalSurface', *args, **kwargs)
 
 def IfcTrackElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElement', *args, **kwargs)
 
 def IfcTrackElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrackElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrackElementType', *args, **kwargs)
 
 def IfcTransformer(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformer', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformer', *args, **kwargs)
 
 def IfcTransformerType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransformerType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransformerType', *args, **kwargs)
 
 def IfcTransportElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElement', *args, **kwargs)
 
 def IfcTransportElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportElementType', *args, **kwargs)
 
 def IfcTransportationDevice(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDevice', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDevice', *args, **kwargs)
 
 def IfcTransportationDeviceType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTransportationDeviceType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTransportationDeviceType', *args, **kwargs)
 
 def IfcTrapeziumProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrapeziumProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrapeziumProfileDef', *args, **kwargs)
 
 def IfcTriangulatedFaceSet(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedFaceSet', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedFaceSet', *args, **kwargs)
 
 def IfcTriangulatedIrregularNetwork(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTriangulatedIrregularNetwork', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTriangulatedIrregularNetwork', *args, **kwargs)
 
 def IfcTrimmedCurve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTrimmedCurve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTrimmedCurve', *args, **kwargs)
 
 def IfcTubeBundle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundle', *args, **kwargs)
 
 def IfcTubeBundleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTubeBundleType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTubeBundleType', *args, **kwargs)
 
 def IfcTypeObject(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeObject', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeObject', *args, **kwargs)
 
 def IfcTypeProcess(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProcess', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProcess', *args, **kwargs)
 
 def IfcTypeProduct(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeProduct', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeProduct', *args, **kwargs)
 
 def IfcTypeResource(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcTypeResource', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcTypeResource', *args, **kwargs)
 
 def IfcUShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUShapeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUShapeProfileDef', *args, **kwargs)
 
 def IfcUnitAssignment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitAssignment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitAssignment', *args, **kwargs)
 
 def IfcUnitaryControlElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElement', *args, **kwargs)
 
 def IfcUnitaryControlElementType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryControlElementType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryControlElementType', *args, **kwargs)
 
 def IfcUnitaryEquipment(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipment', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipment', *args, **kwargs)
 
 def IfcUnitaryEquipmentType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcUnitaryEquipmentType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcUnitaryEquipmentType', *args, **kwargs)
 
 def IfcValve(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValve', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcValve', *args, **kwargs)
 
 def IfcValveType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcValveType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcValveType', *args, **kwargs)
 
 def IfcVector(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVector', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVector', *args, **kwargs)
 
 def IfcVehicle(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicle', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicle', *args, **kwargs)
 
 def IfcVehicleType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVehicleType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVehicleType', *args, **kwargs)
 
 def IfcVertex(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertex', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertex', *args, **kwargs)
 
 def IfcVertexLoop(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexLoop', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexLoop', *args, **kwargs)
 
 def IfcVertexPoint(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVertexPoint', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVertexPoint', *args, **kwargs)
 
 def IfcVibrationDamper(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamper', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamper', *args, **kwargs)
 
 def IfcVibrationDamperType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationDamperType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationDamperType', *args, **kwargs)
 
 def IfcVibrationIsolator(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolator', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolator', *args, **kwargs)
 
 def IfcVibrationIsolatorType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVibrationIsolatorType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVibrationIsolatorType', *args, **kwargs)
 
 def IfcVirtualElement(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualElement', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualElement', *args, **kwargs)
 
 def IfcVirtualGridIntersection(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVirtualGridIntersection', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVirtualGridIntersection', *args, **kwargs)
 
 def IfcVoidingFeature(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcVoidingFeature', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcVoidingFeature', *args, **kwargs)
 
 def IfcWall(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWall', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWall', *args, **kwargs)
 
 def IfcWallStandardCase(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallStandardCase', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallStandardCase', *args, **kwargs)
 
 def IfcWallType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWallType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWallType', *args, **kwargs)
 
 def IfcWasteTerminal(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminal', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminal', *args, **kwargs)
 
 def IfcWasteTerminalType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWasteTerminalType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWasteTerminalType', *args, **kwargs)
 
 def IfcWindow(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindow', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindow', *args, **kwargs)
 
 def IfcWindowLiningProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowLiningProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowLiningProperties', *args, **kwargs)
 
 def IfcWindowPanelProperties(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowPanelProperties', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowPanelProperties', *args, **kwargs)
 
 def IfcWindowType(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWindowType', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWindowType', *args, **kwargs)
 
 def IfcWorkCalendar(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkCalendar', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkCalendar', *args, **kwargs)
 
 def IfcWorkControl(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkControl', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkControl', *args, **kwargs)
 
 def IfcWorkPlan(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkPlan', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkPlan', *args, **kwargs)
 
 def IfcWorkSchedule(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkSchedule', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkSchedule', *args, **kwargs)
 
 def IfcWorkTime(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcWorkTime', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcWorkTime', *args, **kwargs)
 
 def IfcZShapeProfileDef(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZShapeProfileDef', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcZShapeProfileDef', *args, **kwargs)
 
 def IfcZone(*args, **kwargs):
-    return ifcopenshell.create_entity('IfcZone', 'IFC4X3_TC1', *args, **kwargs)
+    return temp_file.create_entity('IfcZone', *args, **kwargs)
 
 class IfcBoxAlignment_WR1:
     SCOPE = 'type'
@@ -5121,7 +5129,7 @@ class IfcBoxAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']) is not False
 
 class IfcCardinalPointReference_GreaterThanZero:
     SCOPE = 'type'
@@ -5202,7 +5210,7 @@ class IfcFontStyle_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'italic', 'oblique']) is not False
 
 class IfcFontVariant_WR1:
     SCOPE = 'type'
@@ -5211,7 +5219,7 @@ class IfcFontVariant_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps']) is not False
 
 class IfcFontWeight_WR1:
     SCOPE = 'type'
@@ -5220,7 +5228,7 @@ class IfcFontWeight_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['normal', 'small-caps', '100', '200', '300', '400', '500', '600', '700', '800', '900']) is not False
 
 class IfcHeatingValueMeasure_WR1:
     SCOPE = 'type'
@@ -5319,7 +5327,7 @@ class IfcTextAlignment_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['left', 'right', 'center', 'justify']) is not False
 
 class IfcTextDecoration_WR1:
     SCOPE = 'type'
@@ -5328,7 +5336,7 @@ class IfcTextDecoration_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['none', 'underline', 'overline', 'line-through', 'blink']) is not False
 
 class IfcTextTransformation_WR1:
     SCOPE = 'type'
@@ -5337,7 +5345,7 @@ class IfcTextTransformation_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
+        assert (express_getattr(self, 'lower', INDETERMINATE)() in ['capitalize', 'uppercase', 'lowercase', 'none']) is not False
 
 class IfcActorRole_WR1:
     SCOPE = 'entity'
@@ -5346,8 +5354,8 @@ class IfcActorRole_WR1:
 
     @staticmethod
     def __call__(self):
-        role = getattr(self, 'Role', INDETERMINATE)
-        assert (role != getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
+        role = express_getattr(self, 'Role', INDETERMINATE)
+        assert (role != express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) or (role == express_getattr(IfcRoleEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedRole', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5356,8 +5364,8 @@ class IfcActuator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcActuator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5366,8 +5374,8 @@ class IfcActuator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcactuatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcactuatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcActuatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5376,8 +5384,8 @@ class IfcActuatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcActuatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAddress_WR1:
     SCOPE = 'entity'
@@ -5386,8 +5394,8 @@ class IfcAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        purpose = getattr(self, 'Purpose', INDETERMINATE)
-        assert (not exists(purpose) or (purpose != getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
+        purpose = express_getattr(self, 'Purpose', INDETERMINATE)
+        assert (not exists(purpose) or (purpose != express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) or (purpose == express_getattr(IfcAddressTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedPurpose', INDETERMINATE))))) is not False
 
 class IfcAdvancedBrep_HasAdvancedFaces:
     SCOPE = 'entity'
@@ -5396,7 +5404,7 @@ class IfcAdvancedBrep_HasAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([afs for afs in getattr(getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_tc1.ifcadvancedface' in typeof(afs)]) == 0) is not False
+        assert (sizeof([afs for afs in express_getattr(express_getattr(self, 'Outer', INDETERMINATE), 'CfsFaces', INDETERMINATE) if not 'ifc4x3_tc1.ifcadvancedface' in typeof(afs)]) == 0) is not False
 
 class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
     SCOPE = 'entity'
@@ -5405,8 +5413,8 @@ class IfcAdvancedBrepWithVoids_VoidsHaveAdvancedFaces:
 
     @staticmethod
     def __call__(self):
-        voids = getattr(self, 'Voids', INDETERMINATE)
-        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_tc1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
+        voids = express_getattr(self, 'Voids', INDETERMINATE)
+        assert (sizeof([vsh for vsh in voids if sizeof([afs for afs in express_getattr(vsh, 'CfsFaces', INDETERMINATE) if not 'ifc4x3_tc1.ifcadvancedface' in typeof(afs)]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableEdgeCurves:
     SCOPE = 'entity'
@@ -5415,7 +5423,7 @@ class IfcAdvancedFace_ApplicableEdgeCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_tc1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_tc1.ifcline', 'ifc4x3_tc1.ifcconic', 'ifc4x3_tc1.ifcpolyline', 'ifc4x3_tc1.ifcbsplinecurve'] * typeof(getattr(getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_tc1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not sizeof(['ifc4x3_tc1.ifcline', 'ifc4x3_tc1.ifcconic', 'ifc4x3_tc1.ifcpolyline', 'ifc4x3_tc1.ifcbsplinecurve'] * typeof(express_getattr(express_getattr(oe, 'EdgeElement', INDETERMINATE), 'EdgeGeometry', INDETERMINATE))) == 1]) == 0]) == 0) is not False
 
 class IfcAdvancedFace_ApplicableSurface:
     SCOPE = 'entity'
@@ -5424,7 +5432,7 @@ class IfcAdvancedFace_ApplicableSurface:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_tc1.ifcelementarysurface', 'ifc4x3_tc1.ifcsweptsurface', 'ifc4x3_tc1.ifcbsplinesurface'] * typeof(getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_tc1.ifcelementarysurface', 'ifc4x3_tc1.ifcsweptsurface', 'ifc4x3_tc1.ifcbsplinesurface'] * typeof(express_getattr(self, 'FaceSurface', INDETERMINATE))) == 1) is not False
 
 class IfcAdvancedFace_RequiresEdgeCurve:
     SCOPE = 'entity'
@@ -5433,7 +5441,7 @@ class IfcAdvancedFace_RequiresEdgeCurve:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_tc1.ifcedgeloop' in typeof(getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in getattr(getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_tc1.ifcedgecurve' in typeof(getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
+        assert (sizeof([elpfbnds for elpfbnds in [bnds for bnds in express_getattr(self, 'Bounds', INDETERMINATE) if 'ifc4x3_tc1.ifcedgeloop' in typeof(express_getattr(bnds, 'Bound', INDETERMINATE))] if not sizeof([oe for oe in express_getattr(express_getattr(elpfbnds, 'Bound', INDETERMINATE), 'EdgeList', INDETERMINATE) if not 'ifc4x3_tc1.ifcedgecurve' in typeof(express_getattr(oe, 'EdgeElement', INDETERMINATE))]) == 0]) == 0) is not False
 
 class IfcAirTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5442,8 +5450,8 @@ class IfcAirTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5452,8 +5460,8 @@ class IfcAirTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcairterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcairterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5462,8 +5470,8 @@ class IfcAirTerminalBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5472,8 +5480,8 @@ class IfcAirTerminalBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcairterminalboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcairterminalboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirTerminalBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5482,8 +5490,8 @@ class IfcAirTerminalBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5492,8 +5500,8 @@ class IfcAirTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5502,8 +5510,8 @@ class IfcAirToAirHeatRecovery_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5512,8 +5520,8 @@ class IfcAirToAirHeatRecovery_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcairtoairheatrecoverytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcairtoairheatrecoverytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5522,8 +5530,8 @@ class IfcAirToAirHeatRecoveryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAirToAirHeatRecoveryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5532,8 +5540,8 @@ class IfcAlarm_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAlarm_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5542,8 +5550,8 @@ class IfcAlarm_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcalarmtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcalarmtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAlarmType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5552,8 +5560,8 @@ class IfcAlarmType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAlarmTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcApproval_HasIdentifierOrName:
     SCOPE = 'entity'
@@ -5562,8 +5570,8 @@ class IfcApproval_HasIdentifierOrName:
 
     @staticmethod
     def __call__(self):
-        identifier = getattr(self, 'Identifier', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        identifier = express_getattr(self, 'Identifier', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identifier) or exists(name)) is not False
 
 class IfcArbitraryClosedProfileDef_WR1:
@@ -5573,8 +5581,8 @@ class IfcArbitraryClosedProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
-        assert (getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
+        assert (express_getattr(outercurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryClosedProfileDef_WR2:
     SCOPE = 'entity'
@@ -5583,7 +5591,7 @@ class IfcArbitraryClosedProfileDef_WR2:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcline' in typeof(outercurve)) is not False
 
 class IfcArbitraryClosedProfileDef_WR3:
@@ -5593,7 +5601,7 @@ class IfcArbitraryClosedProfileDef_WR3:
 
     @staticmethod
     def __call__(self):
-        outercurve = getattr(self, 'OuterCurve', INDETERMINATE)
+        outercurve = express_getattr(self, 'OuterCurve', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcoffsetcurve2d' in typeof(outercurve)) is not False
 
 class IfcArbitraryOpenProfileDef_WR11:
@@ -5603,7 +5611,7 @@ class IfcArbitraryOpenProfileDef_WR11:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifccenterlineprofiledef' in typeof(self) or getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert ('ifc4x3_tc1.ifccenterlineprofiledef' in typeof(self) or express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcArbitraryOpenProfileDef_WR12:
     SCOPE = 'entity'
@@ -5612,8 +5620,8 @@ class IfcArbitraryOpenProfileDef_WR12:
 
     @staticmethod
     def __call__(self):
-        curve = getattr(self, 'Curve', INDETERMINATE)
-        assert (getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
+        curve = express_getattr(self, 'Curve', INDETERMINATE)
+        assert (express_getattr(curve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR1:
     SCOPE = 'entity'
@@ -5622,7 +5630,7 @@ class IfcArbitraryProfileDefWithVoids_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == area) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR2:
     SCOPE = 'entity'
@@ -5631,8 +5639,8 @@ class IfcArbitraryProfileDefWithVoids_WR2:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
-        assert (sizeof([temp for temp in innercurves if getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
+        assert (sizeof([temp for temp in innercurves if express_getattr(temp, 'Dim', INDETERMINATE) != 2]) == 0) is not False
 
 class IfcArbitraryProfileDefWithVoids_WR3:
     SCOPE = 'entity'
@@ -5641,7 +5649,7 @@ class IfcArbitraryProfileDefWithVoids_WR3:
 
     @staticmethod
     def __call__(self):
-        innercurves = getattr(self, 'InnerCurves', INDETERMINATE)
+        innercurves = express_getattr(self, 'InnerCurves', INDETERMINATE)
         assert (sizeof([temp for temp in innercurves if 'ifc4x3_tc1.ifcline' in typeof(temp)]) == 0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
@@ -5651,9 +5659,9 @@ class IfcAsymmetricIShapeProfileDef_ValidBottomFilletRadius:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        bottomflangefilletradius = getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        bottomflangefilletradius = express_getattr(self, 'BottomFlangeFilletRadius', INDETERMINATE)
         assert (not exists(bottomflangefilletradius) or bottomflangefilletradius <= (bottomflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
@@ -5663,9 +5671,9 @@ class IfcAsymmetricIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        bottomflangethickness = getattr(self, 'BottomFlangeThickness', INDETERMINATE)
-        topflangethickness = getattr(self, 'TopFlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        bottomflangethickness = express_getattr(self, 'BottomFlangeThickness', INDETERMINATE)
+        topflangethickness = express_getattr(self, 'TopFlangeThickness', INDETERMINATE)
         assert (not exists(topflangethickness) or bottomflangethickness + topflangethickness < overalldepth) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
@@ -5675,9 +5683,9 @@ class IfcAsymmetricIShapeProfileDef_ValidTopFilletRadius:
 
     @staticmethod
     def __call__(self):
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
-        topflangefilletradius = getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        topflangefilletradius = express_getattr(self, 'TopFlangeFilletRadius', INDETERMINATE)
         assert (not exists(topflangefilletradius) or topflangefilletradius <= (topflangewidth - webthickness) / 2.0) is not False
 
 class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
@@ -5687,9 +5695,9 @@ class IfcAsymmetricIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        bottomflangewidth = getattr(self, 'BottomFlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        topflangewidth = getattr(self, 'TopFlangeWidth', INDETERMINATE)
+        bottomflangewidth = express_getattr(self, 'BottomFlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        topflangewidth = express_getattr(self, 'TopFlangeWidth', INDETERMINATE)
         assert (webthickness < bottomflangewidth and webthickness < topflangewidth) is not False
 
 class IfcAudioVisualAppliance_CorrectPredefinedType:
@@ -5699,8 +5707,8 @@ class IfcAudioVisualAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcAudioVisualAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -5709,8 +5717,8 @@ class IfcAudioVisualAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcaudiovisualappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcaudiovisualappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcAudioVisualApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -5719,8 +5727,8 @@ class IfcAudioVisualApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAudioVisualApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcAxis1Placement_AxisIs3D:
     SCOPE = 'entity'
@@ -5729,8 +5737,8 @@ class IfcAxis1Placement_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIs3D:
     SCOPE = 'entity'
@@ -5739,7 +5747,7 @@ class IfcAxis1Placement_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis1Placement_LocationIsCP:
     SCOPE = 'entity'
@@ -5748,10 +5756,10 @@ class IfcAxis1Placement_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 def calc_IfcAxis1Placement_Z(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
     return nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
 
 class IfcAxis2Placement2D_LocationIs2D:
@@ -5761,7 +5769,7 @@ class IfcAxis2Placement2D_LocationIs2D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcAxis2Placement2D_LocationIsCP:
     SCOPE = 'entity'
@@ -5770,7 +5778,7 @@ class IfcAxis2Placement2D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement2D_RefDirIs2D:
     SCOPE = 'entity'
@@ -5779,11 +5787,11 @@ class IfcAxis2Placement2D_RefDirIs2D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcAxis2Placement2D_P(self):
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuild2Axes(refdirection)
 
 class IfcAxis2Placement3D_AxisAndRefDirProvision:
@@ -5793,8 +5801,8 @@ class IfcAxis2Placement3D_AxisAndRefDirProvision:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
         assert (not exists(axis) ^ exists(refdirection)) is not False
 
 class IfcAxis2Placement3D_AxisIs3D:
@@ -5804,8 +5812,8 @@ class IfcAxis2Placement3D_AxisIs3D:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (not exists(axis) or getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (not exists(axis) or express_getattr(axis, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_AxisToRefDirPosition:
     SCOPE = 'entity'
@@ -5814,9 +5822,9 @@ class IfcAxis2Placement3D_AxisToRefDirPosition:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcAxis2Placement3D_LocationIs3D:
     SCOPE = 'entity'
@@ -5825,7 +5833,7 @@ class IfcAxis2Placement3D_LocationIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(express_getattr(self, 'Location', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcAxis2Placement3D_LocationIsCP:
     SCOPE = 'entity'
@@ -5834,7 +5842,7 @@ class IfcAxis2Placement3D_LocationIsCP:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2Placement3D_RefDirIs3D:
     SCOPE = 'entity'
@@ -5843,12 +5851,12 @@ class IfcAxis2Placement3D_RefDirIs3D:
 
     @staticmethod
     def __call__(self):
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(refdirection) or getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(refdirection) or express_getattr(refdirection, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcAxis2Placement3D_P(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    refdirection = getattr(self, 'RefDirection', INDETERMINATE)
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
     return IfcBuildAxes(axis, refdirection)
 
 class IfcAxis2PlacementLinear_WR1:
@@ -5858,7 +5866,7 @@ class IfcAxis2PlacementLinear_WR1:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifcpointbydistanceexpression' in typeof(getattr(self, 'Location', INDETERMINATE))) is not False
+        assert ('ifc4x3_tc1.ifcpointbydistanceexpression' in typeof(express_getattr(self, 'Location', INDETERMINATE))) is not False
 
 class IfcAxis2PlacementLinear_WR2:
     SCOPE = 'entity'
@@ -5867,9 +5875,9 @@ class IfcAxis2PlacementLinear_WR2:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        refdirection = getattr(self, 'RefDirection', INDETERMINATE)
-        assert (not exists(axis) or not exists(refdirection) or getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        refdirection = express_getattr(self, 'RefDirection', INDETERMINATE)
+        assert (not exists(axis) or not exists(refdirection) or express_getattr(IfcCrossProduct(axis, refdirection), 'Magnitude', INDETERMINATE) > 0.0) is not False
 
 class IfcBSplineCurve_SameDim:
     SCOPE = 'entity'
@@ -5878,16 +5886,16 @@ class IfcBSplineCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-        assert (sizeof([temp for temp in controlpointslist if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+        assert (sizeof([temp for temp in controlpointslist if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcBSplineCurve_UpperIndexOnControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineCurve_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
     return IfcListToArray(controlpointslist, 0, upperindexoncontrolpoints)
 
 class IfcBSplineCurveWithKnots_ConsistentBSpline:
@@ -5897,11 +5905,11 @@ class IfcBSplineCurveWithKnots_ConsistentBSpline:
 
     @staticmethod
     def __call__(self):
-        degree = getattr(self, 'Degree', INDETERMINATE)
-        upperindexoncontrolpoints = getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        knots = getattr(self, 'Knots', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        degree = express_getattr(self, 'Degree', INDETERMINATE)
+        upperindexoncontrolpoints = express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        knots = express_getattr(self, 'Knots', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert IfcConstraintsParamBSpline(degree, upperindexonknots, upperindexoncontrolpoints, knotmultiplicities, knots) is not False
 
 class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
@@ -5911,26 +5919,26 @@ class IfcBSplineCurveWithKnots_CorrespondingKnotLists:
 
     @staticmethod
     def __call__(self):
-        knotmultiplicities = getattr(self, 'KnotMultiplicities', INDETERMINATE)
-        upperindexonknots = getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
+        knotmultiplicities = express_getattr(self, 'KnotMultiplicities', INDETERMINATE)
+        upperindexonknots = express_getattr(self, 'UpperIndexOnKnots', INDETERMINATE)
         assert (sizeof(knotmultiplicities) == upperindexonknots) is not False
 
 def calc_IfcBSplineCurveWithKnots_UpperIndexOnKnots(self):
-    knots = getattr(self, 'Knots', INDETERMINATE)
+    knots = express_getattr(self, 'Knots', INDETERMINATE)
     return sizeof(knots)
 
 def calc_IfcBSplineSurface_UUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(controlpointslist) - 1
 
 def calc_IfcBSplineSurface_VUpper(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
     return sizeof(express_getitem(controlpointslist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) - 1
 
 def calc_IfcBSplineSurface_ControlPoints(self):
-    controlpointslist = getattr(self, 'ControlPointsList', INDETERMINATE)
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
+    controlpointslist = express_getattr(self, 'ControlPointsList', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
     return IfcMakeArrayOfArray(controlpointslist, 0, uupper, 0, vupper)
 
 class IfcBSplineSurfaceWithKnots_CorrespondingULists:
@@ -5940,8 +5948,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingULists:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
         assert (sizeof(umultiplicities) == knotuupper) is not False
 
 class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
@@ -5951,8 +5959,8 @@ class IfcBSplineSurfaceWithKnots_CorrespondingVLists:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
         assert (sizeof(vmultiplicities) == knotvupper) is not False
 
 class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
@@ -5962,10 +5970,10 @@ class IfcBSplineSurfaceWithKnots_UDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        umultiplicities = getattr(self, 'UMultiplicities', INDETERMINATE)
-        uknots = getattr(self, 'UKnots', INDETERMINATE)
-        knotuupper = getattr(self, 'KnotUUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'UDegree', INDETERMINATE), knotuupper, getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
+        umultiplicities = express_getattr(self, 'UMultiplicities', INDETERMINATE)
+        uknots = express_getattr(self, 'UKnots', INDETERMINATE)
+        knotuupper = express_getattr(self, 'KnotUUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'UDegree', INDETERMINATE), knotuupper, express_getattr(self, 'UUpper', INDETERMINATE), umultiplicities, uknots) is not False
 
 class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
     SCOPE = 'entity'
@@ -5974,17 +5982,17 @@ class IfcBSplineSurfaceWithKnots_VDirectionConstraints:
 
     @staticmethod
     def __call__(self):
-        vmultiplicities = getattr(self, 'VMultiplicities', INDETERMINATE)
-        vknots = getattr(self, 'VKnots', INDETERMINATE)
-        knotvupper = getattr(self, 'KnotVUpper', INDETERMINATE)
-        assert IfcConstraintsParamBSpline(getattr(self, 'VDegree', INDETERMINATE), knotvupper, getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
+        vmultiplicities = express_getattr(self, 'VMultiplicities', INDETERMINATE)
+        vknots = express_getattr(self, 'VKnots', INDETERMINATE)
+        knotvupper = express_getattr(self, 'KnotVUpper', INDETERMINATE)
+        assert IfcConstraintsParamBSpline(express_getattr(self, 'VDegree', INDETERMINATE), knotvupper, express_getattr(self, 'VUpper', INDETERMINATE), vmultiplicities, vknots) is not False
 
 def calc_IfcBSplineSurfaceWithKnots_KnotVUpper(self):
-    vknots = getattr(self, 'VKnots', INDETERMINATE)
+    vknots = express_getattr(self, 'VKnots', INDETERMINATE)
     return sizeof(vknots)
 
 def calc_IfcBSplineSurfaceWithKnots_KnotUUpper(self):
-    uknots = getattr(self, 'UKnots', INDETERMINATE)
+    uknots = express_getattr(self, 'UKnots', INDETERMINATE)
     return sizeof(uknots)
 
 class IfcBeam_CorrectPredefinedType:
@@ -5994,8 +6002,8 @@ class IfcBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6004,8 +6012,8 @@ class IfcBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6014,8 +6022,8 @@ class IfcBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6024,8 +6032,8 @@ class IfcBearing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBearing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6034,8 +6042,8 @@ class IfcBearing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbearingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbearingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBearingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6044,8 +6052,8 @@ class IfcBearingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBearingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBlobTexture_RasterCodeByteStream:
     SCOPE = 'entity'
@@ -6054,7 +6062,7 @@ class IfcBlobTexture_RasterCodeByteStream:
 
     @staticmethod
     def __call__(self):
-        rastercode = getattr(self, 'RasterCode', INDETERMINATE)
+        rastercode = express_getattr(self, 'RasterCode', INDETERMINATE)
         assert (blength(rastercode) % 8 == 0) is not False
 
 class IfcBlobTexture_SupportedRasterFormat:
@@ -6064,7 +6072,7 @@ class IfcBlobTexture_SupportedRasterFormat:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
+        assert (express_getattr(express_getattr(self, 'RasterFormat', INDETERMINATE), 'lower', INDETERMINATE)() in ['bmp', 'jpg', 'gif', 'png']) is not False
 
 class IfcBoiler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6073,8 +6081,8 @@ class IfcBoiler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBoiler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6083,8 +6091,8 @@ class IfcBoiler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcboilertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcboilertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBoilerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6093,8 +6101,8 @@ class IfcBoilerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBoilerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBooleanClippingResult_FirstOperandType:
     SCOPE = 'entity'
@@ -6103,7 +6111,7 @@ class IfcBooleanClippingResult_FirstOperandType:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
         assert ('ifc4x3_tc1.ifcsweptareasolid' in typeof(firstoperand) or 'ifc4x3_tc1.ifcsweptdiscsolid' in typeof(firstoperand) or 'ifc4x3_tc1.ifcbooleanclippingresult' in typeof(firstoperand)) is not False
 
 class IfcBooleanClippingResult_OperatorType:
@@ -6113,7 +6121,7 @@ class IfcBooleanClippingResult_OperatorType:
 
     @staticmethod
     def __call__(self):
-        operator = getattr(self, 'Operator', INDETERMINATE)
+        operator = express_getattr(self, 'Operator', INDETERMINATE)
         assert (operator == difference) is not False
 
 class IfcBooleanClippingResult_SecondOperandType:
@@ -6123,7 +6131,7 @@ class IfcBooleanClippingResult_SecondOperandType:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
         assert ('ifc4x3_tc1.ifchalfspacesolid' in typeof(secondoperand)) is not False
 
 class IfcBooleanResult_FirstOperandClosed:
@@ -6133,8 +6141,8 @@ class IfcBooleanResult_FirstOperandClosed:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        assert (not 'ifc4x3_tc1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(getattr(firstoperand, 'Closed', INDETERMINATE)) and getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        assert (not 'ifc4x3_tc1.ifctessellatedfaceset' in typeof(firstoperand) or (exists(express_getattr(firstoperand, 'Closed', INDETERMINATE)) and express_getattr(firstoperand, 'Closed', INDETERMINATE))) is not False
 
 class IfcBooleanResult_SameDim:
     SCOPE = 'entity'
@@ -6143,9 +6151,9 @@ class IfcBooleanResult_SameDim:
 
     @staticmethod
     def __call__(self):
-        firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (getattr(firstoperand, 'Dim', INDETERMINATE) == getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
+        firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (express_getattr(firstoperand, 'Dim', INDETERMINATE) == express_getattr(secondoperand, 'Dim', INDETERMINATE)) is not False
 
 class IfcBooleanResult_SecondOperandClosed:
     SCOPE = 'entity'
@@ -6154,12 +6162,12 @@ class IfcBooleanResult_SecondOperandClosed:
 
     @staticmethod
     def __call__(self):
-        secondoperand = getattr(self, 'SecondOperand', INDETERMINATE)
-        assert (not 'ifc4x3_tc1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(getattr(secondoperand, 'Closed', INDETERMINATE)) and getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
+        secondoperand = express_getattr(self, 'SecondOperand', INDETERMINATE)
+        assert (not 'ifc4x3_tc1.ifctessellatedfaceset' in typeof(secondoperand) or (exists(express_getattr(secondoperand, 'Closed', INDETERMINATE)) and express_getattr(secondoperand, 'Closed', INDETERMINATE))) is not False
 
 def calc_IfcBooleanResult_Dim(self):
-    firstoperand = getattr(self, 'FirstOperand', INDETERMINATE)
-    return getattr(firstoperand, 'Dim', INDETERMINATE)
+    firstoperand = express_getattr(self, 'FirstOperand', INDETERMINATE)
+    return express_getattr(firstoperand, 'Dim', INDETERMINATE)
 
 class IfcBoundaryCurve_IsClosed:
     SCOPE = 'entity'
@@ -6168,7 +6176,7 @@ class IfcBoundaryCurve_IsClosed:
 
     @staticmethod
     def __call__(self):
-        assert getattr(self, 'ClosedCurve', INDETERMINATE) is not False
+        assert express_getattr(self, 'ClosedCurve', INDETERMINATE) is not False
 
 def calc_IfcBoundingBox_Dim(self):
     return 3
@@ -6180,7 +6188,7 @@ class IfcBoxedHalfSpace_UnboundedSurface:
 
     @staticmethod
     def __call__(self):
-        assert (not 'ifc4x3_tc1.ifccurveboundedplane' in typeof(getattr(self, 'BaseSurface', INDETERMINATE))) is not False
+        assert (not 'ifc4x3_tc1.ifccurveboundedplane' in typeof(express_getattr(self, 'BaseSurface', INDETERMINATE))) is not False
 
 class IfcBridge_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6189,8 +6197,8 @@ class IfcBridge_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgeTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBridgePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6199,8 +6207,8 @@ class IfcBridgePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBridgePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6209,8 +6217,8 @@ class IfcBuildingElementPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementPart_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6219,8 +6227,8 @@ class IfcBuildingElementPart_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbuildingelementparttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbuildingelementparttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementPartType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6229,8 +6237,8 @@ class IfcBuildingElementPartType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6239,8 +6247,8 @@ class IfcBuildingElementProxy_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuildingElementProxy_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6249,8 +6257,8 @@ class IfcBuildingElementProxy_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbuildingelementproxytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcbuildingelementproxytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBuildingElementProxy_HasObjectName:
     SCOPE = 'entity'
@@ -6259,7 +6267,7 @@ class IfcBuildingElementProxy_HasObjectName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcBuildingElementProxyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6268,8 +6276,8 @@ class IfcBuildingElementProxyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingElementProxyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcBuildingSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6278,8 +6286,8 @@ class IfcBuildingSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuildingSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBuiltElement_MaxOneMaterialAssociation:
     SCOPE = 'entity'
@@ -6288,7 +6296,7 @@ class IfcBuiltElement_MaxOneMaterialAssociation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_tc1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'HasAssociations', INDETERMINATE) if 'ifc4x3_tc1.ifcrelassociatesmaterial' in typeof(temp)]) <= 1) is not False
 
 class IfcBuiltSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6297,8 +6305,8 @@ class IfcBuiltSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBuiltSystemTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6307,8 +6315,8 @@ class IfcBurner_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcBurner_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6317,8 +6325,8 @@ class IfcBurner_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcburnertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcburnertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcBurnerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6327,8 +6335,8 @@ class IfcBurnerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcBurnerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCShapeProfileDef_ValidGirth:
     SCOPE = 'entity'
@@ -6337,8 +6345,8 @@ class IfcCShapeProfileDef_ValidGirth:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        girth = getattr(self, 'Girth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        girth = express_getattr(self, 'Girth', INDETERMINATE)
         assert (girth < depth / 2.0) is not False
 
 class IfcCShapeProfileDef_ValidInternalFilletRadius:
@@ -6348,10 +6356,10 @@ class IfcCShapeProfileDef_ValidInternalFilletRadius:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        internalfilletradius = getattr(self, 'InternalFilletRadius', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        internalfilletradius = express_getattr(self, 'InternalFilletRadius', INDETERMINATE)
         assert (not exists(internalfilletradius) or (internalfilletradius <= width / 2.0 - wallthickness and internalfilletradius <= depth / 2.0 - wallthickness)) is not False
 
 class IfcCShapeProfileDef_ValidWallThickness:
@@ -6361,9 +6369,9 @@ class IfcCShapeProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
         assert (wallthickness < width / 2.0 and wallthickness < depth / 2.0) is not False
 
 class IfcCableCarrierFitting_CorrectPredefinedType:
@@ -6373,8 +6381,8 @@ class IfcCableCarrierFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6383,8 +6391,8 @@ class IfcCableCarrierFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablecarrierfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablecarrierfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6393,8 +6401,8 @@ class IfcCableCarrierFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6403,8 +6411,8 @@ class IfcCableCarrierSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableCarrierSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6413,8 +6421,8 @@ class IfcCableCarrierSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablecarriersegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablecarriersegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableCarrierSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6423,8 +6431,8 @@ class IfcCableCarrierSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableCarrierSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6433,8 +6441,8 @@ class IfcCableFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6443,8 +6451,8 @@ class IfcCableFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6453,8 +6461,8 @@ class IfcCableFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6463,8 +6471,8 @@ class IfcCableSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCableSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6473,8 +6481,8 @@ class IfcCableSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccablesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCableSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6483,8 +6491,8 @@ class IfcCableSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCableSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6493,8 +6501,8 @@ class IfcCaissonFoundation_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCaissonFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6503,8 +6511,8 @@ class IfcCaissonFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccaissonfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccaissonfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCaissonFoundationType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6513,8 +6521,8 @@ class IfcCaissonFoundationType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCaissonFoundationTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCartesianPoint_CP2Dor3D:
     SCOPE = 'entity'
@@ -6523,7 +6531,7 @@ class IfcCartesianPoint_CP2Dor3D:
 
     @staticmethod
     def __call__(self):
-        coordinates = getattr(self, 'Coordinates', INDETERMINATE)
+        coordinates = express_getattr(self, 'Coordinates', INDETERMINATE)
         assert (hiindex(coordinates) >= 2) is not False
 
 def calc_IfcCartesianPointList_Dim(self):
@@ -6536,16 +6544,16 @@ class IfcCartesianTransformationOperator_ScaleGreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl = getattr(self, 'Scl', INDETERMINATE)
+        scl = express_getattr(self, 'Scl', INDETERMINATE)
         assert (scl > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator_Scl(self):
-    scale = getattr(self, 'Scale', INDETERMINATE)
+    scale = express_getattr(self, 'Scale', INDETERMINATE)
     return nvl(scale, 1.0)
 
 def calc_IfcCartesianTransformationOperator_Dim(self):
-    localorigin = getattr(self, 'LocalOrigin', INDETERMINATE)
-    return getattr(localorigin, 'Dim', INDETERMINATE)
+    localorigin = express_getattr(self, 'LocalOrigin', INDETERMINATE)
+    return express_getattr(localorigin, 'Dim', INDETERMINATE)
 
 class IfcCartesianTransformationOperator2D_Axis1Is2D:
     SCOPE = 'entity'
@@ -6554,7 +6562,7 @@ class IfcCartesianTransformationOperator2D_Axis1Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_Axis2Is2D:
     SCOPE = 'entity'
@@ -6563,7 +6571,7 @@ class IfcCartesianTransformationOperator2D_Axis2Is2D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcCartesianTransformationOperator2D_DimEqual2:
     SCOPE = 'entity'
@@ -6572,10 +6580,10 @@ class IfcCartesianTransformationOperator2D_DimEqual2:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 2) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 2) is not False
 
 def calc_IfcCartesianTransformationOperator2D_U(self):
-    return IfcBaseAxis(2, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), None)
+    return IfcBaseAxis(2, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), None)
 
 class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6584,12 +6592,12 @@ class IfcCartesianTransformationOperator2DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator2DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcCartesianTransformationOperator3D_Axis1Is3D:
     SCOPE = 'entity'
@@ -6598,7 +6606,7 @@ class IfcCartesianTransformationOperator3D_Axis1Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis1', INDETERMINATE)) or getattr(getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis1', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis1', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis2Is3D:
     SCOPE = 'entity'
@@ -6607,7 +6615,7 @@ class IfcCartesianTransformationOperator3D_Axis2Is3D:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Axis2', INDETERMINATE)) or getattr(getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
+        assert (not exists(express_getattr(self, 'Axis2', INDETERMINATE)) or express_getattr(express_getattr(self, 'Axis2', INDETERMINATE), 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_Axis3Is3D:
     SCOPE = 'entity'
@@ -6616,8 +6624,8 @@ class IfcCartesianTransformationOperator3D_Axis3Is3D:
 
     @staticmethod
     def __call__(self):
-        axis3 = getattr(self, 'Axis3', INDETERMINATE)
-        assert (not exists(axis3) or getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
+        axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+        assert (not exists(axis3) or express_getattr(axis3, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcCartesianTransformationOperator3D_DimIs3D:
     SCOPE = 'entity'
@@ -6626,11 +6634,11 @@ class IfcCartesianTransformationOperator3D_DimIs3D:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Dim', INDETERMINATE) == 3) is not False
+        assert (express_getattr(self, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcCartesianTransformationOperator3D_U(self):
-    axis3 = getattr(self, 'Axis3', INDETERMINATE)
-    return IfcBaseAxis(3, getattr(self, 'Axis1', INDETERMINATE), getattr(self, 'Axis2', INDETERMINATE), axis3)
+    axis3 = express_getattr(self, 'Axis3', INDETERMINATE)
+    return IfcBaseAxis(3, express_getattr(self, 'Axis1', INDETERMINATE), express_getattr(self, 'Axis2', INDETERMINATE), axis3)
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
     SCOPE = 'entity'
@@ -6639,7 +6647,7 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale2GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl2 = getattr(self, 'Scl2', INDETERMINATE)
+        scl2 = express_getattr(self, 'Scl2', INDETERMINATE)
         assert (scl2 > 0.0) is not False
 
 class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
@@ -6649,16 +6657,16 @@ class IfcCartesianTransformationOperator3DnonUniform_Scale3GreaterZero:
 
     @staticmethod
     def __call__(self):
-        scl3 = getattr(self, 'Scl3', INDETERMINATE)
+        scl3 = express_getattr(self, 'Scl3', INDETERMINATE)
         assert (scl3 > 0.0) is not False
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl2(self):
-    scale2 = getattr(self, 'Scale2', INDETERMINATE)
-    return nvl(scale2, getattr(self, 'Scl', INDETERMINATE))
+    scale2 = express_getattr(self, 'Scale2', INDETERMINATE)
+    return nvl(scale2, express_getattr(self, 'Scl', INDETERMINATE))
 
 def calc_IfcCartesianTransformationOperator3DnonUniform_Scl3(self):
-    scale3 = getattr(self, 'Scale3', INDETERMINATE)
-    return nvl(scale3, getattr(self, 'Scl', INDETERMINATE))
+    scale3 = express_getattr(self, 'Scale3', INDETERMINATE)
+    return nvl(scale3, express_getattr(self, 'Scl', INDETERMINATE))
 
 class IfcChiller_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6667,8 +6675,8 @@ class IfcChiller_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChiller_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6677,8 +6685,8 @@ class IfcChiller_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcchillertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcchillertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChillerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6687,8 +6695,8 @@ class IfcChillerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChillerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6697,8 +6705,8 @@ class IfcChimney_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcChimney_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6707,8 +6715,8 @@ class IfcChimney_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcchimneytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcchimneytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcChimneyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6717,8 +6725,8 @@ class IfcChimneyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcChimneyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCircleHollowProfileDef_WR1:
     SCOPE = 'entity'
@@ -6727,8 +6735,8 @@ class IfcCircleHollowProfileDef_WR1:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'Radius', INDETERMINATE)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcCoil_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6737,8 +6745,8 @@ class IfcCoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoil_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6747,8 +6755,8 @@ class IfcCoil_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoiltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoiltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoilType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6757,8 +6765,8 @@ class IfcCoilType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6767,8 +6775,8 @@ class IfcColumn_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcColumn_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6777,8 +6785,8 @@ class IfcColumn_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccolumntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccolumntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcColumnType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6787,8 +6795,8 @@ class IfcColumnType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcColumnTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6797,8 +6805,8 @@ class IfcCommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6807,8 +6815,8 @@ class IfcCommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6817,8 +6825,8 @@ class IfcCommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcComplexProperty_WR21:
     SCOPE = 'entity'
@@ -6827,7 +6835,7 @@ class IfcComplexProperty_WR21:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert (sizeof([temp for temp in hasproperties if self == temp]) == 0) is not False
 
 class IfcComplexProperty_WR22:
@@ -6837,7 +6845,7 @@ class IfcComplexProperty_WR22:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcComplexPropertyTemplate_NoSelfReference:
@@ -6847,7 +6855,7 @@ class IfcComplexPropertyTemplate_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert (sizeof([temp for temp in haspropertytemplates if self == temp]) == 0) is not False
 
 class IfcComplexPropertyTemplate_UniquePropertyNames:
@@ -6857,7 +6865,7 @@ class IfcComplexPropertyTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcCompositeCurve_CurveContinuous:
@@ -6867,9 +6875,9 @@ class IfcCompositeCurve_CurveContinuous:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        closedcurve = getattr(self, 'ClosedCurve', INDETERMINATE)
-        assert (not closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        closedcurve = express_getattr(self, 'ClosedCurve', INDETERMINATE)
+        assert (not closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 1 or (closedcurve and sizeof([temp for temp in segments if express_getattr(temp, 'Transition', INDETERMINATE) == discontinuous]) == 0)) is not False
 
 class IfcCompositeCurve_SameDim:
     SCOPE = 'entity'
@@ -6878,17 +6886,17 @@ class IfcCompositeCurve_SameDim:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
-        assert (sizeof([temp for temp in segments if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
+        assert (sizeof([temp for temp in segments if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(segments, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcCompositeCurve_NSegments(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
     return sizeof(segments)
 
 def calc_IfcCompositeCurve_ClosedCurve(self):
-    segments = getattr(self, 'Segments', INDETERMINATE)
-    nsegments = getattr(self, 'NSegments', INDETERMINATE)
-    return getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
+    segments = express_getattr(self, 'Segments', INDETERMINATE)
+    nsegments = express_getattr(self, 'NSegments', INDETERMINATE)
+    return express_getattr(express_getitem(segments, nsegments - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Transition', INDETERMINATE) != discontinuous
 
 class IfcCompositeCurveOnSurface_SameSurface:
     SCOPE = 'entity'
@@ -6897,7 +6905,7 @@ class IfcCompositeCurveOnSurface_SameSurface:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
         assert (sizeof(basissurface) > 0) is not False
 
 def calc_IfcCompositeCurveOnSurface_BasisSurface(self):
@@ -6910,7 +6918,7 @@ class IfcCompositeCurveSegment_ParentIsBoundedCurve:
 
     @staticmethod
     def __call__(self):
-        parentcurve = getattr(self, 'ParentCurve', INDETERMINATE)
+        parentcurve = express_getattr(self, 'ParentCurve', INDETERMINATE)
         assert ('ifc4x3_tc1.ifcboundedcurve' in typeof(parentcurve)) is not False
 
 class IfcCompositeProfileDef_InvariantProfileType:
@@ -6920,8 +6928,8 @@ class IfcCompositeProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
-        assert (sizeof([temp for temp in profiles if getattr(temp, 'ProfileType', INDETERMINATE) != getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
+        assert (sizeof([temp for temp in profiles if express_getattr(temp, 'ProfileType', INDETERMINATE) != express_getattr(express_getitem(profiles, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcCompositeProfileDef_NoRecursion:
     SCOPE = 'entity'
@@ -6930,7 +6938,7 @@ class IfcCompositeProfileDef_NoRecursion:
 
     @staticmethod
     def __call__(self):
-        profiles = getattr(self, 'Profiles', INDETERMINATE)
+        profiles = express_getattr(self, 'Profiles', INDETERMINATE)
         assert (sizeof([temp for temp in profiles if 'ifc4x3_tc1.ifccompositeprofiledef' in typeof(temp)]) == 0) is not False
 
 class IfcCompressor_CorrectPredefinedType:
@@ -6940,8 +6948,8 @@ class IfcCompressor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCompressor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6950,8 +6958,8 @@ class IfcCompressor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccompressortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccompressortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCompressorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6960,8 +6968,8 @@ class IfcCompressorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCompressorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6970,8 +6978,8 @@ class IfcCondenser_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCondenser_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -6980,8 +6988,8 @@ class IfcCondenser_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccondensertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccondensertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCondenserType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -6990,8 +6998,8 @@ class IfcCondenserType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCondenserTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConstraint_WR11:
     SCOPE = 'entity'
@@ -7000,8 +7008,8 @@ class IfcConstraint_WR11:
 
     @staticmethod
     def __call__(self):
-        constraintgrade = getattr(self, 'ConstraintGrade', INDETERMINATE)
-        assert (constraintgrade != getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
+        constraintgrade = express_getattr(self, 'ConstraintGrade', INDETERMINATE)
+        assert (constraintgrade != express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) or (constraintgrade == express_getattr(IfcConstraintEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedGrade', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7010,8 +7018,8 @@ class IfcConstructionEquipmentResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7020,8 +7028,8 @@ class IfcConstructionEquipmentResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionEquipmentResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7030,8 +7038,8 @@ class IfcConstructionMaterialResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionMaterialResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7040,8 +7048,8 @@ class IfcConstructionMaterialResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionMaterialResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7050,8 +7058,8 @@ class IfcConstructionProductResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConstructionProductResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7060,8 +7068,8 @@ class IfcConstructionProductResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConstructionProductResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7070,8 +7078,8 @@ class IfcController_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcController_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7080,8 +7088,8 @@ class IfcController_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccontrollertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccontrollertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcControllerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7090,8 +7098,8 @@ class IfcControllerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcControllerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7100,8 +7108,8 @@ class IfcConveyorSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcConveyorSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7110,8 +7118,8 @@ class IfcConveyorSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcconveyorsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcconveyorsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcConveyorSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7120,8 +7128,8 @@ class IfcConveyorSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcConveyorSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7130,8 +7138,8 @@ class IfcCooledBeam_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCooledBeam_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7140,8 +7148,8 @@ class IfcCooledBeam_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccooledbeamtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccooledbeamtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCooledBeamType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7150,8 +7158,8 @@ class IfcCooledBeamType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCooledBeamTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7160,8 +7168,8 @@ class IfcCoolingTower_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCoolingTower_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7170,8 +7178,8 @@ class IfcCoolingTower_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoolingtowertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoolingtowertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoolingTowerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7180,8 +7188,8 @@ class IfcCoolingTowerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoolingTowerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7190,8 +7198,8 @@ class IfcCourse_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCourse_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7200,8 +7208,8 @@ class IfcCourse_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoursetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoursetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCourseType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7210,8 +7218,8 @@ class IfcCourseType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCourseTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7220,8 +7228,8 @@ class IfcCovering_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCovering_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7230,8 +7238,8 @@ class IfcCovering_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoveringtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccoveringtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCoveringType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7240,8 +7248,8 @@ class IfcCoveringType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCoveringTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcCrewResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7250,8 +7258,8 @@ class IfcCrewResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCrewResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7260,8 +7268,8 @@ class IfcCrewResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCrewResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcCsgPrimitive3D_Dim(self):
     return 3
@@ -7273,8 +7281,8 @@ class IfcCurtainWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcCurtainWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7283,8 +7291,8 @@ class IfcCurtainWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccurtainwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifccurtainwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcCurtainWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7293,8 +7301,8 @@ class IfcCurtainWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcCurtainWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcCurve_Dim(self):
     return IfcCurveDim(self)
@@ -7306,9 +7314,9 @@ class IfcCurveStyle_IdentifiableCurveStyle:
 
     @staticmethod
     def __call__(self):
-        curvefont = getattr(self, 'CurveFont', INDETERMINATE)
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
-        curvecolour = getattr(self, 'CurveColour', INDETERMINATE)
+        curvefont = express_getattr(self, 'CurveFont', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
+        curvecolour = express_getattr(self, 'CurveColour', INDETERMINATE)
         assert (exists(curvefont) or exists(curvewidth) or exists(curvecolour)) is not False
 
 class IfcCurveStyle_MeasureOfWidth:
@@ -7318,7 +7326,7 @@ class IfcCurveStyle_MeasureOfWidth:
 
     @staticmethod
     def __call__(self):
-        curvewidth = getattr(self, 'CurveWidth', INDETERMINATE)
+        curvewidth = express_getattr(self, 'CurveWidth', INDETERMINATE)
         assert (not exists(curvewidth) or 'ifc4x3_tc1.ifcpositivelengthmeasure' in typeof(curvewidth) or ('ifc4x3_tc1.ifcdescriptivemeasure' in typeof(curvewidth) and curvewidth == 'bylayer')) is not False
 
 class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
@@ -7328,7 +7336,7 @@ class IfcCurveStyleFontPattern_VisibleLengthGreaterEqualZero:
 
     @staticmethod
     def __call__(self):
-        visiblesegmentlength = getattr(self, 'VisibleSegmentLength', INDETERMINATE)
+        visiblesegmentlength = express_getattr(self, 'VisibleSegmentLength', INDETERMINATE)
         assert (visiblesegmentlength >= 0.0) is not False
 
 class IfcDamper_CorrectPredefinedType:
@@ -7338,8 +7346,8 @@ class IfcDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7348,8 +7356,8 @@ class IfcDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7358,8 +7366,8 @@ class IfcDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDeepFoundation_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7368,8 +7376,8 @@ class IfcDeepFoundation_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdeepfoundationtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdeepfoundationtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDerivedProfileDef_InvariantProfileType:
     SCOPE = 'entity'
@@ -7378,8 +7386,8 @@ class IfcDerivedProfileDef_InvariantProfileType:
 
     @staticmethod
     def __call__(self):
-        parentprofile = getattr(self, 'ParentProfile', INDETERMINATE)
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
+        parentprofile = express_getattr(self, 'ParentProfile', INDETERMINATE)
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(parentprofile, 'ProfileType', INDETERMINATE)) is not False
 
 class IfcDerivedUnit_WR1:
     SCOPE = 'entity'
@@ -7388,8 +7396,8 @@ class IfcDerivedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof(elements) > 1 or (sizeof(elements) == 1 and express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) != 1)) is not False
 
 class IfcDerivedUnit_WR2:
     SCOPE = 'entity'
@@ -7398,11 +7406,11 @@ class IfcDerivedUnit_WR2:
 
     @staticmethod
     def __call__(self):
-        unittype = getattr(self, 'UnitType', INDETERMINATE)
-        assert (unittype != getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
+        unittype = express_getattr(self, 'UnitType', INDETERMINATE)
+        assert (unittype != express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) or (unittype == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedType', INDETERMINATE)))) is not False
 
 def calc_IfcDerivedUnit_Dimensions(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
     return IfcDeriveDimensionalExponents(elements)
 
 class IfcDirection_MagnitudeGreaterZero:
@@ -7412,11 +7420,11 @@ class IfcDirection_MagnitudeGreaterZero:
 
     @staticmethod
     def __call__(self):
-        directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+        directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
         assert (sizeof([tmp for tmp in directionratios if tmp != 0.0]) > 0) is not False
 
 def calc_IfcDirection_Dim(self):
-    directionratios = getattr(self, 'DirectionRatios', INDETERMINATE)
+    directionratios = express_getattr(self, 'DirectionRatios', INDETERMINATE)
     return hiindex(directionratios)
 
 class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
@@ -7426,9 +7434,9 @@ class IfcDirectrixCurveSweptAreaSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_tc1.ifcconic', 'ifc4x3_tc1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcDiscreteAccessory_CorrectPredefinedType:
@@ -7438,8 +7446,8 @@ class IfcDiscreteAccessory_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDiscreteAccessory_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7448,8 +7456,8 @@ class IfcDiscreteAccessory_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdiscreteaccessorytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdiscreteaccessorytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDiscreteAccessoryType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7458,8 +7466,8 @@ class IfcDiscreteAccessoryType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDiscreteAccessoryTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7468,8 +7476,8 @@ class IfcDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7478,8 +7486,8 @@ class IfcDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7488,8 +7496,8 @@ class IfcDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7498,8 +7506,8 @@ class IfcDistributionChamberElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDistributionChamberElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7508,8 +7516,8 @@ class IfcDistributionChamberElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdistributionchamberelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdistributionchamberelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDistributionChamberElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7518,8 +7526,8 @@ class IfcDistributionChamberElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionChamberElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDistributionSystem_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7528,8 +7536,8 @@ class IfcDistributionSystem_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDistributionSystemEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDocumentReference_WR1:
     SCOPE = 'entity'
@@ -7538,8 +7546,8 @@ class IfcDocumentReference_WR1:
 
     @staticmethod
     def __call__(self):
-        name = getattr(self, 'Name', INDETERMINATE)
-        referenceddocument = getattr(self, 'ReferencedDocument', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
+        referenceddocument = express_getattr(self, 'ReferencedDocument', INDETERMINATE)
         assert exists(name) ^ exists(referenceddocument) is not False
 
 class IfcDoor_CorrectPredefinedType:
@@ -7549,8 +7557,8 @@ class IfcDoor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDoor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7559,8 +7567,8 @@ class IfcDoor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdoortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcdoortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDoorLiningProperties_WR31:
     SCOPE = 'entity'
@@ -7569,8 +7577,8 @@ class IfcDoorLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcDoorLiningProperties_WR32:
@@ -7580,8 +7588,8 @@ class IfcDoorLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        thresholddepth = getattr(self, 'ThresholdDepth', INDETERMINATE)
-        thresholdthickness = getattr(self, 'ThresholdThickness', INDETERMINATE)
+        thresholddepth = express_getattr(self, 'ThresholdDepth', INDETERMINATE)
+        thresholdthickness = express_getattr(self, 'ThresholdThickness', INDETERMINATE)
         assert (not (exists(thresholddepth) and (not exists(thresholdthickness)))) is not False
 
 class IfcDoorLiningProperties_WR33:
@@ -7591,8 +7599,8 @@ class IfcDoorLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        transomthickness = getattr(self, 'TransomThickness', INDETERMINATE)
-        transomoffset = getattr(self, 'TransomOffset', INDETERMINATE)
+        transomthickness = express_getattr(self, 'TransomThickness', INDETERMINATE)
+        transomoffset = express_getattr(self, 'TransomOffset', INDETERMINATE)
         assert (exists(transomoffset) and exists(transomthickness)) ^ (not exists(transomoffset) and (not exists(transomthickness))) is not False
 
 class IfcDoorLiningProperties_WR34:
@@ -7602,8 +7610,8 @@ class IfcDoorLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        casingthickness = getattr(self, 'CasingThickness', INDETERMINATE)
-        casingdepth = getattr(self, 'CasingDepth', INDETERMINATE)
+        casingthickness = express_getattr(self, 'CasingThickness', INDETERMINATE)
+        casingdepth = express_getattr(self, 'CasingDepth', INDETERMINATE)
         assert (exists(casingdepth) and exists(casingthickness)) ^ (not exists(casingdepth) and (not exists(casingthickness))) is not False
 
 class IfcDoorLiningProperties_WR35:
@@ -7613,7 +7621,7 @@ class IfcDoorLiningProperties_WR35:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDoorPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -7622,7 +7630,7 @@ class IfcDoorPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcdoortype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcdoortype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcDoorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7631,8 +7639,8 @@ class IfcDoorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDoorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
     SCOPE = 'entity'
@@ -7641,7 +7649,7 @@ class IfcDraughtingPreDefinedColour_PreDefinedColourNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['black', 'red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'white', 'bylayer']) is not False
 
 class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
     SCOPE = 'entity'
@@ -7650,7 +7658,7 @@ class IfcDraughtingPreDefinedCurveFont_PreDefinedCurveFontNames:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
+        assert (express_getattr(express_getattr(self, 'Name', INDETERMINATE), 'lower', INDETERMINATE)() in ['continuous', 'chain', 'chaindoubledash', 'dashed', 'dotted', 'bylayer']) is not False
 
 class IfcDuctFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7659,8 +7667,8 @@ class IfcDuctFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7669,8 +7677,8 @@ class IfcDuctFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcductfittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcductfittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7679,8 +7687,8 @@ class IfcDuctFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7689,8 +7697,8 @@ class IfcDuctSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7699,8 +7707,8 @@ class IfcDuctSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcductsegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcductsegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7709,8 +7717,8 @@ class IfcDuctSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7719,8 +7727,8 @@ class IfcDuctSilencer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcDuctSilencer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7729,8 +7737,8 @@ class IfcDuctSilencer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcductsilencertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcductsilencertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcDuctSilencerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7739,8 +7747,8 @@ class IfcDuctSilencerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcDuctSilencerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEarthworksCut_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7749,8 +7757,8 @@ class IfcEarthworksCut_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksCutTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEarthworksFill_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7759,8 +7767,8 @@ class IfcEarthworksFill_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEarthworksFillTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEdgeLoop_IsClosed:
     SCOPE = 'entity'
@@ -7769,9 +7777,9 @@ class IfcEdgeLoop_IsClosed:
 
     @staticmethod
     def __call__(self):
-        edgelist = getattr(self, 'EdgeList', INDETERMINATE)
-        ne = getattr(self, 'Ne', INDETERMINATE)
-        assert (getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
+        edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
+        ne = express_getattr(self, 'Ne', INDETERMINATE)
+        assert (express_getattr(express_getitem(edgelist, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE) == express_getattr(express_getitem(edgelist, ne - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE)) is not False
 
 class IfcEdgeLoop_IsContinuous:
     SCOPE = 'entity'
@@ -7783,7 +7791,7 @@ class IfcEdgeLoop_IsContinuous:
         assert IfcLoopHeadToTail(self) is not False
 
 def calc_IfcEdgeLoop_Ne(self):
-    edgelist = getattr(self, 'EdgeList', INDETERMINATE)
+    edgelist = express_getattr(self, 'EdgeList', INDETERMINATE)
     return sizeof(edgelist)
 
 class IfcElectricAppliance_CorrectPredefinedType:
@@ -7793,8 +7801,8 @@ class IfcElectricAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7803,8 +7811,8 @@ class IfcElectricAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7813,8 +7821,8 @@ class IfcElectricApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7823,8 +7831,8 @@ class IfcElectricDistributionBoard_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricDistributionBoard_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7833,8 +7841,8 @@ class IfcElectricDistributionBoard_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricdistributionboardtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricdistributionboardtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricDistributionBoardType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7843,8 +7851,8 @@ class IfcElectricDistributionBoardType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricDistributionBoardTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7853,8 +7861,8 @@ class IfcElectricFlowStorageDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7863,8 +7871,8 @@ class IfcElectricFlowStorageDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricflowstoragedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricflowstoragedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7873,8 +7881,8 @@ class IfcElectricFlowStorageDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowStorageDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7883,8 +7891,8 @@ class IfcElectricFlowTreatmentDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7893,8 +7901,8 @@ class IfcElectricFlowTreatmentDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricflowtreatmentdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricflowtreatmentdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7903,8 +7911,8 @@ class IfcElectricFlowTreatmentDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricFlowTreatmentDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7913,8 +7921,8 @@ class IfcElectricGenerator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricGenerator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7923,8 +7931,8 @@ class IfcElectricGenerator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricgeneratortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricgeneratortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricGeneratorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7933,8 +7941,8 @@ class IfcElectricGeneratorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricGeneratorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7943,8 +7951,8 @@ class IfcElectricMotor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricMotor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7953,8 +7961,8 @@ class IfcElectricMotor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricmotortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectricmotortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricMotorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7963,8 +7971,8 @@ class IfcElectricMotorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricMotorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7973,8 +7981,8 @@ class IfcElectricTimeControl_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElectricTimeControl_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -7983,8 +7991,8 @@ class IfcElectricTimeControl_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectrictimecontroltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelectrictimecontroltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElectricTimeControlType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -7993,8 +8001,8 @@ class IfcElectricTimeControlType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElectricTimeControlTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8003,8 +8011,8 @@ class IfcElementAssembly_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcElementAssembly_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8013,8 +8021,8 @@ class IfcElementAssembly_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelementassemblytype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcelementassemblytype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcElementAssemblyType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8023,8 +8031,8 @@ class IfcElementAssemblyType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcElementAssemblyTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcElementQuantity_UniqueQuantityNames:
     SCOPE = 'entity'
@@ -8033,7 +8041,7 @@ class IfcElementQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        quantities = getattr(self, 'Quantities', INDETERMINATE)
+        quantities = express_getattr(self, 'Quantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(quantities) is not False
 
 class IfcEngine_CorrectPredefinedType:
@@ -8043,8 +8051,8 @@ class IfcEngine_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEngine_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8053,8 +8061,8 @@ class IfcEngine_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcenginetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcenginetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEngineType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8063,8 +8071,8 @@ class IfcEngineType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEngineTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8073,8 +8081,8 @@ class IfcEvaporativeCooler_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporativeCooler_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8083,8 +8091,8 @@ class IfcEvaporativeCooler_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcevaporativecoolertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcevaporativecoolertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporativeCoolerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8093,8 +8101,8 @@ class IfcEvaporativeCoolerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporativeCoolerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8103,8 +8111,8 @@ class IfcEvaporator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvaporator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8113,8 +8121,8 @@ class IfcEvaporator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcevaporatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcevaporatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcEvaporatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8123,8 +8131,8 @@ class IfcEvaporatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEvaporatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8133,8 +8141,8 @@ class IfcEvent_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcEvent_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8143,9 +8151,9 @@ class IfcEvent_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (not exists(eventtriggertype) or eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (not exists(eventtriggertype) or eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectEventTriggerType:
     SCOPE = 'entity'
@@ -8154,9 +8162,9 @@ class IfcEventType_CorrectEventTriggerType:
 
     @staticmethod
     def __call__(self):
-        eventtriggertype = getattr(self, 'EventTriggerType', INDETERMINATE)
-        userdefinedeventtriggertype = getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
-        assert (eventtriggertype != getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
+        eventtriggertype = express_getattr(self, 'EventTriggerType', INDETERMINATE)
+        userdefinedeventtriggertype = express_getattr(self, 'UserDefinedEventTriggerType', INDETERMINATE)
+        assert (eventtriggertype != express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) or (eventtriggertype == express_getattr(IfcEventTriggerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedeventtriggertype))) is not False
 
 class IfcEventType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8165,8 +8173,8 @@ class IfcEventType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcEventTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcExternalReference_WR1:
     SCOPE = 'entity'
@@ -8175,9 +8183,9 @@ class IfcExternalReference_WR1:
 
     @staticmethod
     def __call__(self):
-        location = getattr(self, 'Location', INDETERMINATE)
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        name = getattr(self, 'Name', INDETERMINATE)
+        location = express_getattr(self, 'Location', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        name = express_getattr(self, 'Name', INDETERMINATE)
         assert (exists(identification) or exists(location) or exists(name)) is not False
 
 class IfcExtrudedAreaSolid_ValidExtrusionDirection:
@@ -8187,7 +8195,7 @@ class IfcExtrudedAreaSolid_ValidExtrusionDirection:
 
     @staticmethod
     def __call__(self):
-        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
+        assert (IfcDotProduct(IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]), express_getattr(self, 'ExtrudedDirection', INDETERMINATE)) != 0.0) is not False
 
 class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -8196,7 +8204,7 @@ class IfcExtrudedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcFace_HasOuterBound:
     SCOPE = 'entity'
@@ -8205,7 +8213,7 @@ class IfcFace_HasOuterBound:
 
     @staticmethod
     def __call__(self):
-        bounds = getattr(self, 'Bounds', INDETERMINATE)
+        bounds = express_getattr(self, 'Bounds', INDETERMINATE)
         assert (sizeof([temp for temp in bounds if 'ifc4x3_tc1.ifcfaceouterbound' in typeof(temp)]) <= 1) is not False
 
 def calc_IfcFaceBasedSurfaceModel_Dim(self):
@@ -8218,8 +8226,8 @@ class IfcFacilityPartCommon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFacilityPartCommonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8228,8 +8236,8 @@ class IfcFan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFan_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8238,8 +8246,8 @@ class IfcFan_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfantype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfantype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFanType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8248,8 +8256,8 @@ class IfcFanType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8258,8 +8266,8 @@ class IfcFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8268,8 +8276,8 @@ class IfcFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8278,8 +8286,8 @@ class IfcFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFeatureElement_NotContained:
     SCOPE = 'entity'
@@ -8288,7 +8296,7 @@ class IfcFeatureElement_NotContained:
 
     @staticmethod
     def __call__(self):
-        containedinstructure = getattr(self, 'ContainedInStructure', INDETERMINATE)
+        containedinstructure = express_getattr(self, 'ContainedInStructure', INDETERMINATE)
         assert (sizeof(containedinstructure) == 0) is not False
 
 class IfcFeatureElementSubtraction_HasNoSubtraction:
@@ -8298,7 +8306,7 @@ class IfcFeatureElementSubtraction_HasNoSubtraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasOpenings', INDETERMINATE)) == 0) is not False
 
 class IfcFeatureElementSubtraction_IsNotFilling:
     SCOPE = 'entity'
@@ -8307,7 +8315,7 @@ class IfcFeatureElementSubtraction_IsNotFilling:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'FillsVoids', INDETERMINATE)) == 0) is not False
 
 class IfcFillAreaStyle_ConsistentHatchStyleDef:
     SCOPE = 'entity'
@@ -8316,7 +8324,7 @@ class IfcFillAreaStyle_ConsistentHatchStyleDef:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectFillAreaStyle(getattr(self, 'FillStyles', INDETERMINATE)) is not False
+        assert IfcCorrectFillAreaStyle(express_getattr(self, 'FillStyles', INDETERMINATE)) is not False
 
 class IfcFillAreaStyle_MaxOneColour:
     SCOPE = 'entity'
@@ -8325,7 +8333,7 @@ class IfcFillAreaStyle_MaxOneColour:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_tc1.ifccolour' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_tc1.ifccolour' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyle_MaxOneExtHatchStyle:
     SCOPE = 'entity'
@@ -8334,7 +8342,7 @@ class IfcFillAreaStyle_MaxOneExtHatchStyle:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_tc1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'FillStyles', INDETERMINATE) if 'ifc4x3_tc1.ifcexternallydefinedhatchstyle' in typeof(style)]) <= 1) is not False
 
 class IfcFillAreaStyleHatching_PatternStart2D:
     SCOPE = 'entity'
@@ -8343,8 +8351,8 @@ class IfcFillAreaStyleHatching_PatternStart2D:
 
     @staticmethod
     def __call__(self):
-        patternstart = getattr(self, 'PatternStart', INDETERMINATE)
-        assert (not exists(patternstart) or getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
+        patternstart = express_getattr(self, 'PatternStart', INDETERMINATE)
+        assert (not exists(patternstart) or express_getattr(patternstart, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFillAreaStyleHatching_RefHatchLine2D:
     SCOPE = 'entity'
@@ -8353,8 +8361,8 @@ class IfcFillAreaStyleHatching_RefHatchLine2D:
 
     @staticmethod
     def __call__(self):
-        pointofreferencehatchline = getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
-        assert (not exists(pointofreferencehatchline) or getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
+        pointofreferencehatchline = express_getattr(self, 'PointOfReferenceHatchLine', INDETERMINATE)
+        assert (not exists(pointofreferencehatchline) or express_getattr(pointofreferencehatchline, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcFilter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8363,8 +8371,8 @@ class IfcFilter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFilter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8373,8 +8381,8 @@ class IfcFilter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfiltertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfiltertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFilterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8383,8 +8391,8 @@ class IfcFilterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFilterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8393,8 +8401,8 @@ class IfcFireSuppressionTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFireSuppressionTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8403,8 +8411,8 @@ class IfcFireSuppressionTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfiresuppressionterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfiresuppressionterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFireSuppressionTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8413,8 +8421,8 @@ class IfcFireSuppressionTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFireSuppressionTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8423,8 +8431,8 @@ class IfcFlowInstrument_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowInstrument_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8433,8 +8441,8 @@ class IfcFlowInstrument_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcflowinstrumenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcflowinstrumenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowInstrumentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8443,8 +8451,8 @@ class IfcFlowInstrumentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowInstrumentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8453,8 +8461,8 @@ class IfcFlowMeter_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFlowMeter_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8463,8 +8471,8 @@ class IfcFlowMeter_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcflowmetertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcflowmetertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFlowMeterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8473,8 +8481,8 @@ class IfcFlowMeterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFlowMeterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8483,8 +8491,8 @@ class IfcFooting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFooting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8493,8 +8501,8 @@ class IfcFooting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfootingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfootingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFootingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8503,8 +8511,8 @@ class IfcFootingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFootingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8513,8 +8521,8 @@ class IfcFurniture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcFurniture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8523,8 +8531,8 @@ class IfcFurniture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfurnituretype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcfurnituretype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcFurnitureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8533,8 +8541,8 @@ class IfcFurnitureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcFurnitureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8543,8 +8551,8 @@ class IfcGeographicElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGeographicElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8553,8 +8561,8 @@ class IfcGeographicElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcgeographicelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcgeographicelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcGeographicElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8563,8 +8571,8 @@ class IfcGeographicElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeographicElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcGeometricCurveSet_NoSurfaces:
     SCOPE = 'entity'
@@ -8573,7 +8581,7 @@ class IfcGeometricCurveSet_NoSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_tc1.ifcsurface' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Elements', INDETERMINATE) if 'ifc4x3_tc1.ifcsurface' in typeof(temp)]) == 0) is not False
 
 class IfcGeometricRepresentationContext_North2D:
     SCOPE = 'entity'
@@ -8582,8 +8590,8 @@ class IfcGeometricRepresentationContext_North2D:
 
     @staticmethod
     def __call__(self):
-        truenorth = getattr(self, 'TrueNorth', INDETERMINATE)
-        assert (not exists(truenorth) or hiindex(getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
+        truenorth = express_getattr(self, 'TrueNorth', INDETERMINATE)
+        assert (not exists(truenorth) or hiindex(express_getattr(truenorth, 'DirectionRatios', INDETERMINATE)) == 2) is not False
 
 class IfcGeometricRepresentationSubContext_NoCoordOperation:
     SCOPE = 'entity'
@@ -8592,7 +8600,7 @@ class IfcGeometricRepresentationSubContext_NoCoordOperation:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'HasCoordinateOperation', INDETERMINATE)) == 0) is not False
 
 class IfcGeometricRepresentationSubContext_ParentNoSub:
     SCOPE = 'entity'
@@ -8601,7 +8609,7 @@ class IfcGeometricRepresentationSubContext_ParentNoSub:
 
     @staticmethod
     def __call__(self):
-        parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
+        parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcgeometricrepresentationsubcontext' in typeof(parentcontext)) is not False
 
 class IfcGeometricRepresentationSubContext_UserTargetProvided:
@@ -8611,25 +8619,25 @@ class IfcGeometricRepresentationSubContext_UserTargetProvided:
 
     @staticmethod
     def __call__(self):
-        targetview = getattr(self, 'TargetView', INDETERMINATE)
-        userdefinedtargetview = getattr(self, 'UserDefinedTargetView', INDETERMINATE)
-        assert (targetview != getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
+        targetview = express_getattr(self, 'TargetView', INDETERMINATE)
+        userdefinedtargetview = express_getattr(self, 'UserDefinedTargetView', INDETERMINATE)
+        assert (targetview != express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) or (targetview == express_getattr(IfcGeometricProjectionEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedtargetview))) is not False
 
 def calc_IfcGeometricRepresentationSubContext_WorldCoordinateSystem(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'WorldCoordinateSystem', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_CoordinateSpaceDimension(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return express_getattr(parentcontext, 'CoordinateSpaceDimension', INDETERMINATE)
 
 def calc_IfcGeometricRepresentationSubContext_TrueNorth(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(getattr(getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'TrueNorth', INDETERMINATE), IfcConvertDirectionInto2D(express_getitem(express_getattr(express_getattr(self, 'WorldCoordinateSystem', INDETERMINATE), 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)))
 
 def calc_IfcGeometricRepresentationSubContext_Precision(self):
-    parentcontext = getattr(self, 'ParentContext', INDETERMINATE)
-    return nvl(getattr(parentcontext, 'Precision', INDETERMINATE), 1)
+    parentcontext = express_getattr(self, 'ParentContext', INDETERMINATE)
+    return nvl(express_getattr(parentcontext, 'Precision', INDETERMINATE), 1)
 
 class IfcGeometricSet_ConsistentDim:
     SCOPE = 'entity'
@@ -8638,12 +8646,12 @@ class IfcGeometricSet_ConsistentDim:
 
     @staticmethod
     def __call__(self):
-        elements = getattr(self, 'Elements', INDETERMINATE)
-        assert (sizeof([temp for temp in elements if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        elements = express_getattr(self, 'Elements', INDETERMINATE)
+        assert (sizeof([temp for temp in elements if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 def calc_IfcGeometricSet_Dim(self):
-    elements = getattr(self, 'Elements', INDETERMINATE)
-    return getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+    elements = express_getattr(self, 'Elements', INDETERMINATE)
+    return express_getattr(express_getitem(elements, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
 
 class IfcGeotechnicalStratum_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8652,8 +8660,8 @@ class IfcGeotechnicalStratum_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcGeotechnicalStratumTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcGridAxis_WR1:
     SCOPE = 'entity'
@@ -8662,8 +8670,8 @@ class IfcGridAxis_WR1:
 
     @staticmethod
     def __call__(self):
-        axiscurve = getattr(self, 'AxisCurve', INDETERMINATE)
-        assert (getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        axiscurve = express_getattr(self, 'AxisCurve', INDETERMINATE)
+        assert (express_getattr(axiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcGridAxis_WR2:
     SCOPE = 'entity'
@@ -8672,9 +8680,9 @@ class IfcGridAxis_WR2:
 
     @staticmethod
     def __call__(self):
-        partofw = getattr(self, 'PartOfW', INDETERMINATE)
-        partofv = getattr(self, 'PartOfV', INDETERMINATE)
-        partofu = getattr(self, 'PartOfU', INDETERMINATE)
+        partofw = express_getattr(self, 'PartOfW', INDETERMINATE)
+        partofv = express_getattr(self, 'PartOfV', INDETERMINATE)
+        partofu = express_getattr(self, 'PartOfU', INDETERMINATE)
         assert (sizeof(partofu) == 1) ^ (sizeof(partofv) == 1) ^ (sizeof(partofw) == 1) is not False
 
 def calc_IfcHalfSpaceSolid_Dim(self):
@@ -8687,8 +8695,8 @@ class IfcHeatExchanger_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHeatExchanger_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8697,8 +8705,8 @@ class IfcHeatExchanger_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcheatexchangertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcheatexchangertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHeatExchangerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8707,8 +8715,8 @@ class IfcHeatExchangerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHeatExchangerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8717,8 +8725,8 @@ class IfcHumidifier_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcHumidifier_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8727,8 +8735,8 @@ class IfcHumidifier_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifchumidifiertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifchumidifiertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcHumidifierType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8737,8 +8745,8 @@ class IfcHumidifierType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcHumidifierTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIShapeProfileDef_ValidFilletRadius:
     SCOPE = 'entity'
@@ -8747,11 +8755,11 @@ class IfcIShapeProfileDef_ValidFilletRadius:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
         assert (not exists(filletradius) or (filletradius <= (overallwidth - webthickness) / 2.0 and filletradius <= (overalldepth - 2.0 * flangethickness) / 2.0)) is not False
 
 class IfcIShapeProfileDef_ValidFlangeThickness:
@@ -8761,8 +8769,8 @@ class IfcIShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        overalldepth = getattr(self, 'OverallDepth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        overalldepth = express_getattr(self, 'OverallDepth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (2.0 * flangethickness < overalldepth) is not False
 
 class IfcIShapeProfileDef_ValidWebThickness:
@@ -8772,8 +8780,8 @@ class IfcIShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        overallwidth = getattr(self, 'OverallWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        overallwidth = express_getattr(self, 'OverallWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < overallwidth) is not False
 
 class IfcImpactProtectionDevice_CorrectPredefinedType:
@@ -8783,8 +8791,8 @@ class IfcImpactProtectionDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcImpactProtectionDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8793,8 +8801,8 @@ class IfcImpactProtectionDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcimpactprotectiondevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcimpactprotectiondevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcImpactProtectionDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8803,8 +8811,8 @@ class IfcImpactProtectionDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcImpactProtectionDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIndexedPolyCurve_Consecutive:
     SCOPE = 'entity'
@@ -8813,7 +8821,7 @@ class IfcIndexedPolyCurve_Consecutive:
 
     @staticmethod
     def __call__(self):
-        segments = getattr(self, 'Segments', INDETERMINATE)
+        segments = express_getattr(self, 'Segments', INDETERMINATE)
         assert (not exists(segments) or IfcConsecutiveSegments(segments)) is not False
 
 class IfcInterceptor_CorrectPredefinedType:
@@ -8823,8 +8831,8 @@ class IfcInterceptor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcInterceptor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8833,8 +8841,8 @@ class IfcInterceptor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcinterceptortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcinterceptortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcInterceptorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8843,8 +8851,8 @@ class IfcInterceptorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcInterceptorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcIntersectionCurve_DistinctSurfaces:
     SCOPE = 'entity'
@@ -8853,7 +8861,7 @@ class IfcIntersectionCurve_DistinctSurfaces:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcIntersectionCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -8862,7 +8870,7 @@ class IfcIntersectionCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcJunctionBox_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8871,8 +8879,8 @@ class IfcJunctionBox_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcJunctionBox_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8881,8 +8889,8 @@ class IfcJunctionBox_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcjunctionboxtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcjunctionboxtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcJunctionBoxType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8891,8 +8899,8 @@ class IfcJunctionBoxType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcJunctionBoxTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcKerb_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8901,8 +8909,8 @@ class IfcKerb_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcKerb_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8911,8 +8919,8 @@ class IfcKerb_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifckerbtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifckerbtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcKerbType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8921,8 +8929,8 @@ class IfcKerbType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcKerbTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLShapeProfileDef_ValidThickness:
     SCOPE = 'entity'
@@ -8931,9 +8939,9 @@ class IfcLShapeProfileDef_ValidThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        width = getattr(self, 'Width', INDETERMINATE)
-        thickness = getattr(self, 'Thickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        thickness = express_getattr(self, 'Thickness', INDETERMINATE)
         assert (thickness < depth and (not exists(width) or thickness < width)) is not False
 
 class IfcLaborResource_CorrectPredefinedType:
@@ -8943,8 +8951,8 @@ class IfcLaborResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLaborResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8953,8 +8961,8 @@ class IfcLaborResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLaborResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8963,8 +8971,8 @@ class IfcLamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -8973,8 +8981,8 @@ class IfcLamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifclamptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifclamptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8983,8 +8991,8 @@ class IfcLampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -8993,8 +9001,8 @@ class IfcLightFixture_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLightFixture_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9003,8 +9011,8 @@ class IfcLightFixture_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifclightfixturetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifclightfixturetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLightFixtureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9013,8 +9021,8 @@ class IfcLightFixtureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLightFixtureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLine_SameDim:
     SCOPE = 'entity'
@@ -9023,9 +9031,9 @@ class IfcLine_SameDim:
 
     @staticmethod
     def __call__(self):
-        pnt = getattr(self, 'Pnt', INDETERMINATE)
-        dir = getattr(self, 'Dir', INDETERMINATE)
-        assert (getattr(dir, 'Dim', INDETERMINATE) == getattr(pnt, 'Dim', INDETERMINATE)) is not False
+        pnt = express_getattr(self, 'Pnt', INDETERMINATE)
+        dir = express_getattr(self, 'Dir', INDETERMINATE)
+        assert (express_getattr(dir, 'Dim', INDETERMINATE) == express_getattr(pnt, 'Dim', INDETERMINATE)) is not False
 
 class IfcLiquidTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9034,8 +9042,8 @@ class IfcLiquidTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcLiquidTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9044,8 +9052,8 @@ class IfcLiquidTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcliquidterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcliquidterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcLiquidTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9054,8 +9062,8 @@ class IfcLiquidTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcLiquidTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcLocalPlacement_WR21:
     SCOPE = 'entity'
@@ -9064,8 +9072,8 @@ class IfcLocalPlacement_WR21:
 
     @staticmethod
     def __call__(self):
-        placementrelto = getattr(self, 'PlacementRelTo', INDETERMINATE)
-        relativeplacement = getattr(self, 'RelativePlacement', INDETERMINATE)
+        placementrelto = express_getattr(self, 'PlacementRelTo', INDETERMINATE)
+        relativeplacement = express_getattr(self, 'RelativePlacement', INDETERMINATE)
         assert IfcCorrectLocalPlacement(relativeplacement, placementrelto) is not False
 
 class IfcMarineFacility_CorrectPredefinedType:
@@ -9075,8 +9083,8 @@ class IfcMarineFacility_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarineFacilityTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMarinePart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9085,8 +9093,8 @@ class IfcMarinePart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMarinePartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
     SCOPE = 'entity'
@@ -9095,7 +9103,7 @@ class IfcMaterialDefinitionRepresentation_OnlyStyledRepresentations:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_tc1.ifcstyledrepresentation' in typeof(temp)]) == 0) is not False
 
 class IfcMaterialLayer_NormalizedPriority:
@@ -9105,7 +9113,7 @@ class IfcMaterialLayer_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 def calc_IfcMaterialLayerSet_TotalThickness(self):
@@ -9118,7 +9126,7 @@ class IfcMaterialProfile_NormalizedPriority:
 
     @staticmethod
     def __call__(self):
-        priority = getattr(self, 'Priority', INDETERMINATE)
+        priority = express_getattr(self, 'Priority', INDETERMINATE)
         assert (not exists(priority) or 0 <= priority <= 100) is not False
 
 class IfcMechanicalFastener_CorrectPredefinedType:
@@ -9128,8 +9136,8 @@ class IfcMechanicalFastener_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMechanicalFastener_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9138,8 +9146,8 @@ class IfcMechanicalFastener_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmechanicalfastenertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmechanicalfastenertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMechanicalFastenerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9148,8 +9156,8 @@ class IfcMechanicalFastenerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMechanicalFastenerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9158,8 +9166,8 @@ class IfcMedicalDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMedicalDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9168,8 +9176,8 @@ class IfcMedicalDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmedicaldevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmedicaldevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMedicalDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9178,8 +9186,8 @@ class IfcMedicalDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMedicalDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9188,8 +9196,8 @@ class IfcMember_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMember_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9198,8 +9206,8 @@ class IfcMember_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmembertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmembertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMemberType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9208,8 +9216,8 @@ class IfcMemberType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMemberTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcMirroredProfileDef_Operator(self):
     return IfcCartesianTransformationOperator2D(Axis1=IfcDirection(DirectionRatios=[-1.0, 0.0]), Axis2=IfcDirection(DirectionRatios=[0.0, 1.0]), LocalOrigin=IfcCartesianPoint(Coordinates=[0.0, 0.0]), Scale=1.0)
@@ -9221,8 +9229,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9231,8 +9239,8 @@ class IfcMobileTelecommunicationsAppliance_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmobiletelecommunicationsappliancetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmobiletelecommunicationsappliancetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9241,8 +9249,8 @@ class IfcMobileTelecommunicationsApplianceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMobileTelecommunicationsApplianceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9251,8 +9259,8 @@ class IfcMooringDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMooringDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9261,8 +9269,8 @@ class IfcMooringDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmooringdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmooringdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMooringDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9271,8 +9279,8 @@ class IfcMooringDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMooringDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9281,8 +9289,8 @@ class IfcMotorConnection_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcMotorConnection_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9291,8 +9299,8 @@ class IfcMotorConnection_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmotorconnectiontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcmotorconnectiontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcMotorConnectionType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9301,8 +9309,8 @@ class IfcMotorConnectionType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcMotorConnectionTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcNamedUnit_WR1:
     SCOPE = 'entity'
@@ -9311,7 +9319,7 @@ class IfcNamedUnit_WR1:
 
     @staticmethod
     def __call__(self):
-        assert IfcCorrectDimensions(getattr(self, 'UnitType', INDETERMINATE), getattr(self, 'Dimensions', INDETERMINATE)) is not False
+        assert IfcCorrectDimensions(express_getattr(self, 'UnitType', INDETERMINATE), express_getattr(self, 'Dimensions', INDETERMINATE)) is not False
 
 class IfcNavigationElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9320,8 +9328,8 @@ class IfcNavigationElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcNavigationElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9330,8 +9338,8 @@ class IfcNavigationElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcnavigationelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcnavigationelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcNavigationElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9340,8 +9348,8 @@ class IfcNavigationElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcNavigationElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -9350,7 +9358,7 @@ class IfcObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        isdefinedby = getattr(self, 'IsDefinedBy', INDETERMINATE)
+        isdefinedby = express_getattr(self, 'IsDefinedBy', INDETERMINATE)
         assert (sizeof(isdefinedby) == 0 or IfcUniqueDefinitionNames(isdefinedby)) is not False
 
 class IfcObjective_WR21:
@@ -9360,8 +9368,8 @@ class IfcObjective_WR21:
 
     @staticmethod
     def __call__(self):
-        objectivequalifier = getattr(self, 'ObjectiveQualifier', INDETERMINATE)
-        assert (objectivequalifier != getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
+        objectivequalifier = express_getattr(self, 'ObjectiveQualifier', INDETERMINATE)
+        assert (objectivequalifier != express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) or (objectivequalifier == express_getattr(IfcObjectiveEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'UserDefinedQualifier', INDETERMINATE)))) is not False
 
 class IfcOccupant_WR31:
     SCOPE = 'entity'
@@ -9370,8 +9378,8 @@ class IfcOccupant_WR31:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not predefinedtype == getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not predefinedtype == express_getattr(IfcOccupantTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcOffsetCurve2D_DimIs2D:
     SCOPE = 'entity'
@@ -9380,8 +9388,8 @@ class IfcOffsetCurve2D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcOffsetCurve3D_DimIs2D:
     SCOPE = 'entity'
@@ -9390,8 +9398,8 @@ class IfcOffsetCurve3D_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
-        assert (getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
+        assert (express_getattr(basiscurve, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcOpenCrossProfileDef_CorrectProfileType:
     SCOPE = 'entity'
@@ -9400,7 +9408,7 @@ class IfcOpenCrossProfileDef_CorrectProfileType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
     SCOPE = 'entity'
@@ -9409,8 +9417,8 @@ class IfcOpenCrossProfileDef_CorrespondingSlopeWidths:
 
     @staticmethod
     def __call__(self):
-        widths = getattr(self, 'Widths', INDETERMINATE)
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
+        widths = express_getattr(self, 'Widths', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
         assert (sizeof(slopes) == sizeof(widths)) is not False
 
 class IfcOpenCrossProfileDef_CorrespondingTags:
@@ -9420,8 +9428,8 @@ class IfcOpenCrossProfileDef_CorrespondingTags:
 
     @staticmethod
     def __call__(self):
-        slopes = getattr(self, 'Slopes', INDETERMINATE)
-        tags = getattr(self, 'Tags', INDETERMINATE)
+        slopes = express_getattr(self, 'Slopes', INDETERMINATE)
+        tags = express_getattr(self, 'Tags', INDETERMINATE)
         assert (not exists(tags) or sizeof(tags) == sizeof(slopes) + 1) is not False
 
 class IfcOpeningElement_CorrectPredefinedType:
@@ -9431,8 +9439,8 @@ class IfcOpeningElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOpeningElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOrientedEdge_EdgeElementNotOriented:
     SCOPE = 'entity'
@@ -9441,18 +9449,18 @@ class IfcOrientedEdge_EdgeElementNotOriented:
 
     @staticmethod
     def __call__(self):
-        edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
+        edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcorientededge' in typeof(edgeelement)) is not False
 
 def calc_IfcOrientedEdge_EdgeStart(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeStart', INDETERMINATE), getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeStart', INDETERMINATE), express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE))
 
 def calc_IfcOrientedEdge_EdgeEnd(self):
-    edgeelement = getattr(self, 'EdgeElement', INDETERMINATE)
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return IfcBooleanChoose(orientation, getattr(edgeelement, 'EdgeEnd', INDETERMINATE), getattr(edgeelement, 'EdgeStart', INDETERMINATE))
+    edgeelement = express_getattr(self, 'EdgeElement', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return IfcBooleanChoose(orientation, express_getattr(edgeelement, 'EdgeEnd', INDETERMINATE), express_getattr(edgeelement, 'EdgeStart', INDETERMINATE))
 
 class IfcOutlet_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9461,8 +9469,8 @@ class IfcOutlet_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcOutlet_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9471,8 +9479,8 @@ class IfcOutlet_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcoutlettype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcoutlettype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcOutletType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9481,8 +9489,8 @@ class IfcOutletType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcOutletTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcOwnerHistory_CorrectChangeAction:
     SCOPE = 'entity'
@@ -9491,9 +9499,9 @@ class IfcOwnerHistory_CorrectChangeAction:
 
     @staticmethod
     def __call__(self):
-        changeaction = getattr(self, 'ChangeAction', INDETERMINATE)
-        lastmodifieddate = getattr(self, 'LastModifiedDate', INDETERMINATE)
-        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
+        changeaction = express_getattr(self, 'ChangeAction', INDETERMINATE)
+        lastmodifieddate = express_getattr(self, 'LastModifiedDate', INDETERMINATE)
+        assert (exists(lastmodifieddate) or (not exists(lastmodifieddate) and (not exists(changeaction))) or (not exists(lastmodifieddate) and exists(changeaction) and (changeaction == express_getattr(IfcChangeActionEnum, 'NOTDEFINED', INDETERMINATE) or changeaction == express_getattr(IfcChangeActionEnum, 'NOCHANGE', INDETERMINATE)))) is not False
 
 class IfcPath_IsContinuous:
     SCOPE = 'entity'
@@ -9511,8 +9519,8 @@ class IfcPavement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPavement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9521,8 +9529,8 @@ class IfcPavement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpavementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpavementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPavementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9531,8 +9539,8 @@ class IfcPavementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPavementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPcurve_DimIs2D:
     SCOPE = 'entity'
@@ -9541,8 +9549,8 @@ class IfcPcurve_DimIs2D:
 
     @staticmethod
     def __call__(self):
-        referencecurve = getattr(self, 'ReferenceCurve', INDETERMINATE)
-        assert (getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
+        referencecurve = express_getattr(self, 'ReferenceCurve', INDETERMINATE)
+        assert (express_getattr(referencecurve, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPerson_IdentifiablePerson:
     SCOPE = 'entity'
@@ -9551,9 +9559,9 @@ class IfcPerson_IdentifiablePerson:
 
     @staticmethod
     def __call__(self):
-        identification = getattr(self, 'Identification', INDETERMINATE)
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
+        identification = express_getattr(self, 'Identification', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
         assert (exists(identification) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPerson_ValidSetOfNames:
@@ -9563,9 +9571,9 @@ class IfcPerson_ValidSetOfNames:
 
     @staticmethod
     def __call__(self):
-        familyname = getattr(self, 'FamilyName', INDETERMINATE)
-        givenname = getattr(self, 'GivenName', INDETERMINATE)
-        middlenames = getattr(self, 'MiddleNames', INDETERMINATE)
+        familyname = express_getattr(self, 'FamilyName', INDETERMINATE)
+        givenname = express_getattr(self, 'GivenName', INDETERMINATE)
+        middlenames = express_getattr(self, 'MiddleNames', INDETERMINATE)
         assert (not exists(middlenames) or exists(familyname) or exists(givenname)) is not False
 
 class IfcPhysicalComplexQuantity_NoSelfReference:
@@ -9575,7 +9583,7 @@ class IfcPhysicalComplexQuantity_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert (sizeof([temp for temp in hasquantities if self == temp]) == 0) is not False
 
 class IfcPhysicalComplexQuantity_UniqueQuantityNames:
@@ -9585,7 +9593,7 @@ class IfcPhysicalComplexQuantity_UniqueQuantityNames:
 
     @staticmethod
     def __call__(self):
-        hasquantities = getattr(self, 'HasQuantities', INDETERMINATE)
+        hasquantities = express_getattr(self, 'HasQuantities', INDETERMINATE)
         assert IfcUniqueQuantityNames(hasquantities) is not False
 
 class IfcPile_CorrectPredefinedType:
@@ -9595,8 +9603,8 @@ class IfcPile_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPile_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9605,8 +9613,8 @@ class IfcPile_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpiletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpiletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPileType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9615,8 +9623,8 @@ class IfcPileType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPileTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9625,8 +9633,8 @@ class IfcPipeFitting_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeFitting_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9635,8 +9643,8 @@ class IfcPipeFitting_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpipefittingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpipefittingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeFittingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9645,8 +9653,8 @@ class IfcPipeFittingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeFittingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9655,8 +9663,8 @@ class IfcPipeSegment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPipeSegment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9665,8 +9673,8 @@ class IfcPipeSegment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpipesegmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpipesegmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPipeSegmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9675,8 +9683,8 @@ class IfcPipeSegmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPipeSegmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPixelTexture_MinPixelInS:
     SCOPE = 'entity'
@@ -9685,7 +9693,7 @@ class IfcPixelTexture_MinPixelInS:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
         assert (width >= 1) is not False
 
 class IfcPixelTexture_MinPixelInT:
@@ -9695,7 +9703,7 @@ class IfcPixelTexture_MinPixelInT:
 
     @staticmethod
     def __call__(self):
-        height = getattr(self, 'Height', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
         assert (height >= 1) is not False
 
 class IfcPixelTexture_NumberOfColours:
@@ -9705,7 +9713,7 @@ class IfcPixelTexture_NumberOfColours:
 
     @staticmethod
     def __call__(self):
-        colourcomponents = getattr(self, 'ColourComponents', INDETERMINATE)
+        colourcomponents = express_getattr(self, 'ColourComponents', INDETERMINATE)
         assert (1 <= colourcomponents <= 4) is not False
 
 class IfcPixelTexture_PixelAsByteAndSameLength:
@@ -9715,7 +9723,7 @@ class IfcPixelTexture_PixelAsByteAndSameLength:
 
     @staticmethod
     def __call__(self):
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof([temp for temp in pixel if blength(temp) % 8 == 0 and blength(temp) == blength(express_getitem(pixel, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == sizeof(pixel)) is not False
 
 class IfcPixelTexture_SizeOfPixelList:
@@ -9725,14 +9733,14 @@ class IfcPixelTexture_SizeOfPixelList:
 
     @staticmethod
     def __call__(self):
-        width = getattr(self, 'Width', INDETERMINATE)
-        height = getattr(self, 'Height', INDETERMINATE)
-        pixel = getattr(self, 'Pixel', INDETERMINATE)
+        width = express_getattr(self, 'Width', INDETERMINATE)
+        height = express_getattr(self, 'Height', INDETERMINATE)
+        pixel = express_getattr(self, 'Pixel', INDETERMINATE)
         assert (sizeof(pixel) == width * height) is not False
 
 def calc_IfcPlacement_Dim(self):
-    location = getattr(self, 'Location', INDETERMINATE)
-    return getattr(location, 'Dim', INDETERMINATE)
+    location = express_getattr(self, 'Location', INDETERMINATE)
+    return express_getattr(location, 'Dim', INDETERMINATE)
 
 class IfcPlate_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9741,8 +9749,8 @@ class IfcPlate_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPlate_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -9751,8 +9759,8 @@ class IfcPlate_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcplatetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcplatetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPlateType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9761,8 +9769,8 @@ class IfcPlateType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPlateTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcPoint_Dim(self):
     return IfcPointDim(self)
@@ -9774,8 +9782,8 @@ class IfcPolyLoop_AllPointsSameDim:
 
     @staticmethod
     def __call__(self):
-        polygon = getattr(self, 'Polygon', INDETERMINATE)
-        assert (sizeof([temp for temp in polygon if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        polygon = express_getattr(self, 'Polygon', INDETERMINATE)
+        assert (sizeof([temp for temp in polygon if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(polygon, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryDim:
     SCOPE = 'entity'
@@ -9784,8 +9792,8 @@ class IfcPolygonalBoundedHalfSpace_BoundaryDim:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
-        assert (getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        assert (express_getattr(polygonalboundary, 'Dim', INDETERMINATE) == 2) is not False
 
 class IfcPolygonalBoundedHalfSpace_BoundaryType:
     SCOPE = 'entity'
@@ -9794,7 +9802,7 @@ class IfcPolygonalBoundedHalfSpace_BoundaryType:
 
     @staticmethod
     def __call__(self):
-        polygonalboundary = getattr(self, 'PolygonalBoundary', INDETERMINATE)
+        polygonalboundary = express_getattr(self, 'PolygonalBoundary', INDETERMINATE)
         assert (sizeof(typeof(polygonalboundary) * ['ifc4x3_tc1.ifcpolyline', 'ifc4x3_tc1.ifccompositecurve', 'ifc4x3_tc1.ifcindexedpolycurve']) == 1) is not False
 
 class IfcPolyline_SameDim:
@@ -9804,8 +9812,8 @@ class IfcPolyline_SameDim:
 
     @staticmethod
     def __call__(self):
-        points = getattr(self, 'Points', INDETERMINATE)
-        assert (sizeof([temp for temp in points if getattr(temp, 'Dim', INDETERMINATE) != getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
+        points = express_getattr(self, 'Points', INDETERMINATE)
+        assert (sizeof([temp for temp in points if express_getattr(temp, 'Dim', INDETERMINATE) != express_getattr(express_getitem(points, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)]) == 0) is not False
 
 class IfcPolynomialCurve_CorrectPositionDim:
     SCOPE = 'entity'
@@ -9814,9 +9822,9 @@ class IfcPolynomialCurve_CorrectPositionDim:
 
     @staticmethod
     def __call__(self):
-        position = getattr(self, 'Position', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
-        assert (getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or getattr(position, 'Dim', INDETERMINATE) == 3) is not False
+        position = express_getattr(self, 'Position', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
+        assert (express_getattr(position, 'Dim', INDETERMINATE) == 2 and (not exists(coefficientsz)) or express_getattr(position, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcPolynomialCurve_ValidCoefficients:
     SCOPE = 'entity'
@@ -9825,9 +9833,9 @@ class IfcPolynomialCurve_ValidCoefficients:
 
     @staticmethod
     def __call__(self):
-        coefficientsx = getattr(self, 'CoefficientsX', INDETERMINATE)
-        coefficientsy = getattr(self, 'CoefficientsY', INDETERMINATE)
-        coefficientsz = getattr(self, 'CoefficientsZ', INDETERMINATE)
+        coefficientsx = express_getattr(self, 'CoefficientsX', INDETERMINATE)
+        coefficientsy = express_getattr(self, 'CoefficientsY', INDETERMINATE)
+        coefficientsz = express_getattr(self, 'CoefficientsZ', INDETERMINATE)
         assert (exists(coefficientsx) and exists(coefficientsy) or (exists(coefficientsx) and exists(coefficientsz)) or (exists(coefficientsy) and exists(coefficientsz)) or (exists(coefficientsx) and exists(coefficientsy) and exists(coefficientsz))) is not False
 
 class IfcPositioningElement_HasPlacement:
@@ -9837,7 +9845,7 @@ class IfcPositioningElement_HasPlacement:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'ObjectPlacement', INDETERMINATE)) is not False
 
 class IfcPostalAddress_WR1:
     SCOPE = 'entity'
@@ -9846,13 +9854,13 @@ class IfcPostalAddress_WR1:
 
     @staticmethod
     def __call__(self):
-        internallocation = getattr(self, 'InternalLocation', INDETERMINATE)
-        addresslines = getattr(self, 'AddressLines', INDETERMINATE)
-        postalbox = getattr(self, 'PostalBox', INDETERMINATE)
-        town = getattr(self, 'Town', INDETERMINATE)
-        region = getattr(self, 'Region', INDETERMINATE)
-        postalcode = getattr(self, 'PostalCode', INDETERMINATE)
-        country = getattr(self, 'Country', INDETERMINATE)
+        internallocation = express_getattr(self, 'InternalLocation', INDETERMINATE)
+        addresslines = express_getattr(self, 'AddressLines', INDETERMINATE)
+        postalbox = express_getattr(self, 'PostalBox', INDETERMINATE)
+        town = express_getattr(self, 'Town', INDETERMINATE)
+        region = express_getattr(self, 'Region', INDETERMINATE)
+        postalcode = express_getattr(self, 'PostalCode', INDETERMINATE)
+        country = express_getattr(self, 'Country', INDETERMINATE)
         assert (exists(internallocation) or exists(addresslines) or exists(postalbox) or exists(postalcode) or exists(town) or exists(region) or exists(country)) is not False
 
 class IfcPresentationLayerAssignment_ApplicableItems:
@@ -9862,7 +9870,7 @@ class IfcPresentationLayerAssignment_ApplicableItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_tc1.ifcshaperepresentation', 'ifc4x3_tc1.ifcgeometricrepresentationitem', 'ifc4x3_tc1.ifcmappeditem']) == 1]) == sizeof(assigneditems)) is not False
 
 class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
@@ -9872,7 +9880,7 @@ class IfcPresentationLayerWithStyle_ApplicableOnlyToItems:
 
     @staticmethod
     def __call__(self):
-        assigneditems = getattr(self, 'AssignedItems', INDETERMINATE)
+        assigneditems = express_getattr(self, 'AssignedItems', INDETERMINATE)
         assert (sizeof([temp for temp in assigneditems if sizeof(typeof(temp) * ['ifc4x3_tc1.ifcgeometricrepresentationitem', 'ifc4x3_tc1.ifcmappeditem']) >= 1]) == sizeof(assigneditems)) is not False
 
 class IfcProcedure_CorrectPredefinedType:
@@ -9882,8 +9890,8 @@ class IfcProcedure_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProcedure_HasName:
     SCOPE = 'entity'
@@ -9892,7 +9900,7 @@ class IfcProcedure_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProcedureType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9901,8 +9909,8 @@ class IfcProcedureType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProcedureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcProduct_PlacementForShapeRepresentation:
     SCOPE = 'entity'
@@ -9911,9 +9919,9 @@ class IfcProduct_PlacementForShapeRepresentation:
 
     @staticmethod
     def __call__(self):
-        objectplacement = getattr(self, 'ObjectPlacement', INDETERMINATE)
-        representation = getattr(self, 'Representation', INDETERMINATE)
-        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_tc1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
+        objectplacement = express_getattr(self, 'ObjectPlacement', INDETERMINATE)
+        representation = express_getattr(self, 'Representation', INDETERMINATE)
+        assert (exists(representation) and exists(objectplacement) or (exists(representation) and sizeof([temp for temp in express_getattr(representation, 'Representations', INDETERMINATE) if 'ifc4x3_tc1.ifcshaperepresentation' in typeof(temp)]) == 0) or (not exists(representation))) is not False
 
 class IfcProductDefinitionShape_OnlyShapeModel:
     SCOPE = 'entity'
@@ -9922,7 +9930,7 @@ class IfcProductDefinitionShape_OnlyShapeModel:
 
     @staticmethod
     def __call__(self):
-        representations = getattr(self, 'Representations', INDETERMINATE)
+        representations = express_getattr(self, 'Representations', INDETERMINATE)
         assert (sizeof([temp for temp in representations if not 'ifc4x3_tc1.ifcshapemodel' in typeof(temp)]) == 0) is not False
 
 class IfcProject_CorrectContext:
@@ -9932,7 +9940,7 @@ class IfcProject_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_tc1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
+        assert (not exists(express_getattr(self, 'RepresentationContexts', INDETERMINATE)) or sizeof([temp for temp in express_getattr(self, 'RepresentationContexts', INDETERMINATE) if 'ifc4x3_tc1.ifcgeometricrepresentationsubcontext' in typeof(temp)]) == 0) is not False
 
 class IfcProject_HasName:
     SCOPE = 'entity'
@@ -9941,7 +9949,7 @@ class IfcProject_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcProject_NoDecomposition:
     SCOPE = 'entity'
@@ -9950,7 +9958,7 @@ class IfcProject_NoDecomposition:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
+        assert (sizeof(express_getattr(self, 'Decomposes', INDETERMINATE)) == 0) is not False
 
 class IfcProjectedCRS_IsLengthUnit:
     SCOPE = 'entity'
@@ -9959,8 +9967,8 @@ class IfcProjectedCRS_IsLengthUnit:
 
     @staticmethod
     def __call__(self):
-        mapunit = getattr(self, 'MapUnit', INDETERMINATE)
-        assert (not exists(mapunit) or getattr(mapunit, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        mapunit = express_getattr(self, 'MapUnit', INDETERMINATE)
+        assert (not exists(mapunit) or express_getattr(mapunit, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcProjectionElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -9969,8 +9977,8 @@ class IfcProjectionElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProjectionElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPropertyBoundedValue_SameUnitLowerSet:
     SCOPE = 'entity'
@@ -9979,8 +9987,8 @@ class IfcPropertyBoundedValue_SameUnitLowerSet:
 
     @staticmethod
     def __call__(self):
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(lowerboundvalue) or not exists(setpointvalue) or typeof(lowerboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperLower:
@@ -9990,8 +9998,8 @@ class IfcPropertyBoundedValue_SameUnitUpperLower:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        lowerboundvalue = getattr(self, 'LowerBoundValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        lowerboundvalue = express_getattr(self, 'LowerBoundValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(lowerboundvalue) or typeof(upperboundvalue) == typeof(lowerboundvalue)) is not False
 
 class IfcPropertyBoundedValue_SameUnitUpperSet:
@@ -10001,8 +10009,8 @@ class IfcPropertyBoundedValue_SameUnitUpperSet:
 
     @staticmethod
     def __call__(self):
-        upperboundvalue = getattr(self, 'UpperBoundValue', INDETERMINATE)
-        setpointvalue = getattr(self, 'SetPointValue', INDETERMINATE)
+        upperboundvalue = express_getattr(self, 'UpperBoundValue', INDETERMINATE)
+        setpointvalue = express_getattr(self, 'SetPointValue', INDETERMINATE)
         assert (not exists(upperboundvalue) or not exists(setpointvalue) or typeof(upperboundvalue) == typeof(setpointvalue)) is not False
 
 class IfcPropertyDependencyRelationship_NoSelfReference:
@@ -10012,8 +10020,8 @@ class IfcPropertyDependencyRelationship_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        dependingproperty = getattr(self, 'DependingProperty', INDETERMINATE)
-        dependantproperty = getattr(self, 'DependantProperty', INDETERMINATE)
+        dependingproperty = express_getattr(self, 'DependingProperty', INDETERMINATE)
+        dependantproperty = express_getattr(self, 'DependantProperty', INDETERMINATE)
         assert (dependingproperty != dependantproperty) is not False
 
 class IfcPropertyEnumeratedValue_WR21:
@@ -10023,9 +10031,9 @@ class IfcPropertyEnumeratedValue_WR21:
 
     @staticmethod
     def __call__(self):
-        enumerationvalues = getattr(self, 'EnumerationValues', INDETERMINATE)
-        enumerationreference = getattr(self, 'EnumerationReference', INDETERMINATE)
-        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
+        enumerationvalues = express_getattr(self, 'EnumerationValues', INDETERMINATE)
+        enumerationreference = express_getattr(self, 'EnumerationReference', INDETERMINATE)
+        assert (not exists(enumerationreference) or not exists(enumerationvalues) or sizeof([temp for temp in enumerationvalues if temp in express_getattr(enumerationreference, 'EnumerationValues', INDETERMINATE)]) == sizeof(enumerationvalues)) is not False
 
 class IfcPropertyEnumeration_WR01:
     SCOPE = 'entity'
@@ -10034,7 +10042,7 @@ class IfcPropertyEnumeration_WR01:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'EnumerationValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'EnumerationValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertyListValue_WR31:
     SCOPE = 'entity'
@@ -10043,7 +10051,7 @@ class IfcPropertyListValue_WR31:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'ListValues', INDETERMINATE) if not typeof(express_getitem(express_getattr(self, 'ListValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == typeof(temp)]) == 0) is not False
 
 class IfcPropertySet_ExistsName:
     SCOPE = 'entity'
@@ -10052,7 +10060,7 @@ class IfcPropertySet_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySet_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10061,7 +10069,7 @@ class IfcPropertySet_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        hasproperties = getattr(self, 'HasProperties', INDETERMINATE)
+        hasproperties = express_getattr(self, 'HasProperties', INDETERMINATE)
         assert IfcUniquePropertyName(hasproperties) is not False
 
 class IfcPropertySetTemplate_ExistsName:
@@ -10071,7 +10079,7 @@ class IfcPropertySetTemplate_ExistsName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcPropertySetTemplate_UniquePropertyNames:
     SCOPE = 'entity'
@@ -10080,7 +10088,7 @@ class IfcPropertySetTemplate_UniquePropertyNames:
 
     @staticmethod
     def __call__(self):
-        haspropertytemplates = getattr(self, 'HasPropertyTemplates', INDETERMINATE)
+        haspropertytemplates = express_getattr(self, 'HasPropertyTemplates', INDETERMINATE)
         assert IfcUniquePropertyTemplateNames(haspropertytemplates) is not False
 
 class IfcPropertyTableValue_WR21:
@@ -10090,8 +10098,8 @@ class IfcPropertyTableValue_WR21:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
         assert (not exists(definingvalues) and (not exists(definedvalues)) or sizeof(definingvalues) == sizeof(definedvalues)) is not False
 
 class IfcPropertyTableValue_WR22:
@@ -10101,8 +10109,8 @@ class IfcPropertyTableValue_WR22:
 
     @staticmethod
     def __call__(self):
-        definingvalues = getattr(self, 'DefiningValues', INDETERMINATE)
-        assert (not exists(definingvalues) or sizeof([temp for temp in getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definingvalues = express_getattr(self, 'DefiningValues', INDETERMINATE)
+        assert (not exists(definingvalues) or sizeof([temp for temp in express_getattr(self, 'DefiningValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefiningValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcPropertyTableValue_WR23:
     SCOPE = 'entity'
@@ -10111,8 +10119,8 @@ class IfcPropertyTableValue_WR23:
 
     @staticmethod
     def __call__(self):
-        definedvalues = getattr(self, 'DefinedValues', INDETERMINATE)
-        assert (not exists(definedvalues) or sizeof([temp for temp in getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
+        definedvalues = express_getattr(self, 'DefinedValues', INDETERMINATE)
+        assert (not exists(definedvalues) or sizeof([temp for temp in express_getattr(self, 'DefinedValues', INDETERMINATE) if typeof(temp) != typeof(express_getitem(express_getattr(self, 'DefinedValues', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))]) == 0) is not False
 
 class IfcProtectiveDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10121,8 +10129,8 @@ class IfcProtectiveDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10131,8 +10139,8 @@ class IfcProtectiveDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcprotectivedevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcprotectivedevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10141,8 +10149,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10151,8 +10159,8 @@ class IfcProtectiveDeviceTrippingUnit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcprotectivedevicetrippingunittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcprotectivedevicetrippingunittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10161,8 +10169,8 @@ class IfcProtectiveDeviceTrippingUnitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTrippingUnitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcProtectiveDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10171,8 +10179,8 @@ class IfcProtectiveDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcProtectiveDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10181,8 +10189,8 @@ class IfcPump_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcPump_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10191,8 +10199,8 @@ class IfcPump_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpumptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcpumptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcPumpType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10201,8 +10209,8 @@ class IfcPumpType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcPumpTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcQuantityArea_WR21:
     SCOPE = 'entity'
@@ -10211,7 +10219,7 @@ class IfcQuantityArea_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'AREAUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityArea_WR22:
     SCOPE = 'entity'
@@ -10220,7 +10228,7 @@ class IfcQuantityArea_WR22:
 
     @staticmethod
     def __call__(self):
-        areavalue = getattr(self, 'AreaValue', INDETERMINATE)
+        areavalue = express_getattr(self, 'AreaValue', INDETERMINATE)
         assert (areavalue >= 0.0) is not False
 
 class IfcQuantityCount_WR21:
@@ -10230,7 +10238,7 @@ class IfcQuantityCount_WR21:
 
     @staticmethod
     def __call__(self):
-        countvalue = getattr(self, 'CountValue', INDETERMINATE)
+        countvalue = express_getattr(self, 'CountValue', INDETERMINATE)
         assert (countvalue >= 0) is not False
 
 class IfcQuantityLength_WR21:
@@ -10240,7 +10248,7 @@ class IfcQuantityLength_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'LENGTHUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityLength_WR22:
     SCOPE = 'entity'
@@ -10249,7 +10257,7 @@ class IfcQuantityLength_WR22:
 
     @staticmethod
     def __call__(self):
-        lengthvalue = getattr(self, 'LengthValue', INDETERMINATE)
+        lengthvalue = express_getattr(self, 'LengthValue', INDETERMINATE)
         assert (lengthvalue >= 0.0) is not False
 
 class IfcQuantityTime_WR21:
@@ -10259,7 +10267,7 @@ class IfcQuantityTime_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'TIMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityTime_WR22:
     SCOPE = 'entity'
@@ -10268,7 +10276,7 @@ class IfcQuantityTime_WR22:
 
     @staticmethod
     def __call__(self):
-        timevalue = getattr(self, 'TimeValue', INDETERMINATE)
+        timevalue = express_getattr(self, 'TimeValue', INDETERMINATE)
         assert (timevalue >= 0.0) is not False
 
 class IfcQuantityVolume_WR21:
@@ -10278,7 +10286,7 @@ class IfcQuantityVolume_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'VOLUMEUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityVolume_WR22:
     SCOPE = 'entity'
@@ -10287,7 +10295,7 @@ class IfcQuantityVolume_WR22:
 
     @staticmethod
     def __call__(self):
-        volumevalue = getattr(self, 'VolumeValue', INDETERMINATE)
+        volumevalue = express_getattr(self, 'VolumeValue', INDETERMINATE)
         assert (volumevalue >= 0.0) is not False
 
 class IfcQuantityWeight_WR21:
@@ -10297,7 +10305,7 @@ class IfcQuantityWeight_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(getattr(self, 'Unit', INDETERMINATE)) or getattr(getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
+        assert (not exists(express_getattr(self, 'Unit', INDETERMINATE)) or express_getattr(express_getattr(self, 'Unit', INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'MASSUNIT', INDETERMINATE)) is not False
 
 class IfcQuantityWeight_WR22:
     SCOPE = 'entity'
@@ -10306,7 +10314,7 @@ class IfcQuantityWeight_WR22:
 
     @staticmethod
     def __call__(self):
-        weightvalue = getattr(self, 'WeightValue', INDETERMINATE)
+        weightvalue = express_getattr(self, 'WeightValue', INDETERMINATE)
         assert (weightvalue >= 0.0) is not False
 
 class IfcRail_CorrectPredefinedType:
@@ -10316,8 +10324,8 @@ class IfcRail_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRail_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10326,8 +10334,8 @@ class IfcRail_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrailtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrailtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10336,8 +10344,8 @@ class IfcRailType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10346,8 +10354,8 @@ class IfcRailing_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailing_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10356,8 +10364,8 @@ class IfcRailing_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrailingtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrailingtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRailingType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10366,8 +10374,8 @@ class IfcRailingType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailingTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRailway_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10376,8 +10384,8 @@ class IfcRailway_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRailwayPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10386,8 +10394,8 @@ class IfcRailwayPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRailwayPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10396,8 +10404,8 @@ class IfcRamp_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRamp_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10406,8 +10414,8 @@ class IfcRamp_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcramptype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcramptype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10416,8 +10424,8 @@ class IfcRampFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRampFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10426,8 +10434,8 @@ class IfcRampFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrampflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrampflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRampFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10436,8 +10444,8 @@ class IfcRampFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRampType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10446,8 +10454,8 @@ class IfcRampType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRampTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
     SCOPE = 'entity'
@@ -10456,8 +10464,8 @@ class IfcRationalBSplineCurveWithKnots_SameNumOfWeightsAndPoints:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE))) is not False
 
 class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
     SCOPE = 'entity'
@@ -10469,8 +10477,8 @@ class IfcRationalBSplineCurveWithKnots_WeightsGreaterZero:
         assert IfcCurveWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineCurveWithKnots_Weights(self):
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-    return IfcListToArray(weightsdata, 0, getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+    return IfcListToArray(weightsdata, 0, express_getattr(self, 'UpperIndexOnControlPoints', INDETERMINATE))
 
 class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
     SCOPE = 'entity'
@@ -10479,8 +10487,8 @@ class IfcRationalBSplineSurfaceWithKnots_CorrespondingWeightsDataLists:
 
     @staticmethod
     def __call__(self):
-        weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
-        assert (sizeof(weightsdata) == sizeof(getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
+        assert (sizeof(weightsdata) == sizeof(express_getattr(self, 'ControlPointsList', INDETERMINATE)) and sizeof(express_getitem(weightsdata, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == sizeof(express_getitem(express_getattr(self, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
     SCOPE = 'entity'
@@ -10492,9 +10500,9 @@ class IfcRationalBSplineSurfaceWithKnots_WeightValuesGreaterZero:
         assert IfcSurfaceWeightsPositive(self) is not False
 
 def calc_IfcRationalBSplineSurfaceWithKnots_Weights(self):
-    uupper = getattr(self, 'UUpper', INDETERMINATE)
-    vupper = getattr(self, 'VUpper', INDETERMINATE)
-    weightsdata = getattr(self, 'WeightsData', INDETERMINATE)
+    uupper = express_getattr(self, 'UUpper', INDETERMINATE)
+    vupper = express_getattr(self, 'VUpper', INDETERMINATE)
+    weightsdata = express_getattr(self, 'WeightsData', INDETERMINATE)
     return IfcMakeArrayOfArray(weightsdata, 0, uupper, 0, vupper)
 
 class IfcRectangleHollowProfileDef_ValidInnerRadius:
@@ -10504,9 +10512,9 @@ class IfcRectangleHollowProfileDef_ValidInnerRadius:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        innerfilletradius = getattr(self, 'InnerFilletRadius', INDETERMINATE)
-        assert (not exists(innerfilletradius) or (innerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        innerfilletradius = express_getattr(self, 'InnerFilletRadius', INDETERMINATE)
+        assert (not exists(innerfilletradius) or (innerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 - wallthickness and innerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0 - wallthickness)) is not False
 
 class IfcRectangleHollowProfileDef_ValidOuterRadius:
     SCOPE = 'entity'
@@ -10515,8 +10523,8 @@ class IfcRectangleHollowProfileDef_ValidOuterRadius:
 
     @staticmethod
     def __call__(self):
-        outerfilletradius = getattr(self, 'OuterFilletRadius', INDETERMINATE)
-        assert (not exists(outerfilletradius) or (outerfilletradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
+        outerfilletradius = express_getattr(self, 'OuterFilletRadius', INDETERMINATE)
+        assert (not exists(outerfilletradius) or (outerfilletradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and outerfilletradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0)) is not False
 
 class IfcRectangleHollowProfileDef_ValidWallThickness:
     SCOPE = 'entity'
@@ -10525,8 +10533,8 @@ class IfcRectangleHollowProfileDef_ValidWallThickness:
 
     @staticmethod
     def __call__(self):
-        wallthickness = getattr(self, 'WallThickness', INDETERMINATE)
-        assert (wallthickness < getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        wallthickness = express_getattr(self, 'WallThickness', INDETERMINATE)
+        assert (wallthickness < express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and wallthickness < express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 class IfcRectangularTrimmedSurface_U1AndU2Different:
     SCOPE = 'entity'
@@ -10535,8 +10543,8 @@ class IfcRectangularTrimmedSurface_U1AndU2Different:
 
     @staticmethod
     def __call__(self):
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
         assert (u1 != u2) is not False
 
 class IfcRectangularTrimmedSurface_UsenseCompatible:
@@ -10546,10 +10554,10 @@ class IfcRectangularTrimmedSurface_UsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        basissurface = getattr(self, 'BasisSurface', INDETERMINATE)
-        u1 = getattr(self, 'U1', INDETERMINATE)
-        u2 = getattr(self, 'U2', INDETERMINATE)
-        usense = getattr(self, 'Usense', INDETERMINATE)
+        basissurface = express_getattr(self, 'BasisSurface', INDETERMINATE)
+        u1 = express_getattr(self, 'U1', INDETERMINATE)
+        u2 = express_getattr(self, 'U2', INDETERMINATE)
+        usense = express_getattr(self, 'Usense', INDETERMINATE)
         assert ('ifc4x3_tc1.ifcelementarysurface' in typeof(basissurface) and (not 'ifc4x3_tc1.ifcplane' in typeof(basissurface)) or 'ifc4x3_tc1.ifcsurfaceofrevolution' in typeof(basissurface) or usense == (u2 > u1)) is not False
 
 class IfcRectangularTrimmedSurface_V1AndV2Different:
@@ -10559,8 +10567,8 @@ class IfcRectangularTrimmedSurface_V1AndV2Different:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
         assert (v1 != v2) is not False
 
 class IfcRectangularTrimmedSurface_VsenseCompatible:
@@ -10570,9 +10578,9 @@ class IfcRectangularTrimmedSurface_VsenseCompatible:
 
     @staticmethod
     def __call__(self):
-        v1 = getattr(self, 'V1', INDETERMINATE)
-        v2 = getattr(self, 'V2', INDETERMINATE)
-        vsense = getattr(self, 'Vsense', INDETERMINATE)
+        v1 = express_getattr(self, 'V1', INDETERMINATE)
+        v2 = express_getattr(self, 'V2', INDETERMINATE)
+        vsense = express_getattr(self, 'Vsense', INDETERMINATE)
         assert (vsense == (v2 > v1)) is not False
 
 class IfcReinforcedSoil_CorrectPredefinedType:
@@ -10582,8 +10590,8 @@ class IfcReinforcedSoil_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcedSoilTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10592,8 +10600,8 @@ class IfcReinforcingBar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingBar_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10602,8 +10610,8 @@ class IfcReinforcingBar_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcreinforcingbartype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcreinforcingbartype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingBarType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10612,8 +10620,8 @@ class IfcReinforcingBarType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingBarType_CorrectPredefinedType:
@@ -10623,8 +10631,8 @@ class IfcReinforcingBarType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingBarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10633,8 +10641,8 @@ class IfcReinforcingMesh_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcReinforcingMesh_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10643,8 +10651,8 @@ class IfcReinforcingMesh_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcreinforcingmeshtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcreinforcingmeshtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcReinforcingMeshType_BendingShapeCodeProvided:
     SCOPE = 'entity'
@@ -10653,8 +10661,8 @@ class IfcReinforcingMeshType_BendingShapeCodeProvided:
 
     @staticmethod
     def __call__(self):
-        bendingshapecode = getattr(self, 'BendingShapeCode', INDETERMINATE)
-        bendingparameters = getattr(self, 'BendingParameters', INDETERMINATE)
+        bendingshapecode = express_getattr(self, 'BendingShapeCode', INDETERMINATE)
+        bendingparameters = express_getattr(self, 'BendingParameters', INDETERMINATE)
         assert (not exists(bendingparameters) or exists(bendingshapecode)) is not False
 
 class IfcReinforcingMeshType_CorrectPredefinedType:
@@ -10664,8 +10672,8 @@ class IfcReinforcingMeshType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcReinforcingMeshTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRelAggregates_NoSelfReference:
     SCOPE = 'entity'
@@ -10674,8 +10682,8 @@ class IfcRelAggregates_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelAssignsToActor_NoSelfReference:
@@ -10685,8 +10693,8 @@ class IfcRelAssignsToActor_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingactor = getattr(self, 'RelatingActor', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
+        relatingactor = express_getattr(self, 'RelatingActor', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingactor == temp]) == 0) is not False
 
 class IfcRelAssignsToControl_NoSelfReference:
     SCOPE = 'entity'
@@ -10695,8 +10703,8 @@ class IfcRelAssignsToControl_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontrol = getattr(self, 'RelatingControl', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
+        relatingcontrol = express_getattr(self, 'RelatingControl', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingcontrol == temp]) == 0) is not False
 
 class IfcRelAssignsToGroup_NoSelfReference:
     SCOPE = 'entity'
@@ -10705,8 +10713,8 @@ class IfcRelAssignsToGroup_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatinggroup = getattr(self, 'RelatingGroup', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
+        relatinggroup = express_getattr(self, 'RelatingGroup', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatinggroup == temp]) == 0) is not False
 
 class IfcRelAssignsToProcess_NoSelfReference:
     SCOPE = 'entity'
@@ -10715,8 +10723,8 @@ class IfcRelAssignsToProcess_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingprocess == temp]) == 0) is not False
 
 class IfcRelAssignsToProduct_NoSelfReference:
     SCOPE = 'entity'
@@ -10725,8 +10733,8 @@ class IfcRelAssignsToProduct_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingproduct = getattr(self, 'RelatingProduct', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
+        relatingproduct = express_getattr(self, 'RelatingProduct', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingproduct == temp]) == 0) is not False
 
 class IfcRelAssignsToResource_NoSelfReference:
     SCOPE = 'entity'
@@ -10735,8 +10743,8 @@ class IfcRelAssignsToResource_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingresource = getattr(self, 'RelatingResource', INDETERMINATE)
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
+        relatingresource = express_getattr(self, 'RelatingResource', INDETERMINATE)
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if relatingresource == temp]) == 0) is not False
 
 class IfcRelAssociatesMaterial_AllowedElements:
     SCOPE = 'entity'
@@ -10745,7 +10753,7 @@ class IfcRelAssociatesMaterial_AllowedElements:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_tc1.ifcelement', 'ifc4x3_tc1.ifcelementtype', 'ifc4x3_tc1.ifcstructuralmember', 'ifc4x3_tc1.ifcport']) == 0]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if sizeof(typeof(temp) * ['ifc4x3_tc1.ifcelement', 'ifc4x3_tc1.ifcelementtype', 'ifc4x3_tc1.ifcstructuralmember', 'ifc4x3_tc1.ifcport']) == 0]) == 0) is not False
 
 class IfcRelAssociatesMaterial_NoVoidElement:
     SCOPE = 'entity'
@@ -10754,7 +10762,7 @@ class IfcRelAssociatesMaterial_NoVoidElement:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_tc1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_tc1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_tc1.ifcfeatureelementsubtraction' in typeof(temp) or 'ifc4x3_tc1.ifcvirtualelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelConnectsElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10763,8 +10771,8 @@ class IfcRelConnectsElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
@@ -10774,7 +10782,7 @@ class IfcRelConnectsPathElements_NormalizedRelatedPriorities:
 
     @staticmethod
     def __call__(self):
-        relatedpriorities = getattr(self, 'RelatedPriorities', INDETERMINATE)
+        relatedpriorities = express_getattr(self, 'RelatedPriorities', INDETERMINATE)
         assert (sizeof(relatedpriorities) == 0 or sizeof([temp for temp in relatedpriorities if 0 <= temp <= 100]) == sizeof(relatedpriorities)) is not False
 
 class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
@@ -10784,7 +10792,7 @@ class IfcRelConnectsPathElements_NormalizedRelatingPriorities:
 
     @staticmethod
     def __call__(self):
-        relatingpriorities = getattr(self, 'RelatingPriorities', INDETERMINATE)
+        relatingpriorities = express_getattr(self, 'RelatingPriorities', INDETERMINATE)
         assert (sizeof(relatingpriorities) == 0 or sizeof([temp for temp in relatingpriorities if 0 <= temp <= 100]) == sizeof(relatingpriorities)) is not False
 
 class IfcRelConnectsPorts_NoSelfReference:
@@ -10794,8 +10802,8 @@ class IfcRelConnectsPorts_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingport = getattr(self, 'RelatingPort', INDETERMINATE)
-        relatedport = getattr(self, 'RelatedPort', INDETERMINATE)
+        relatingport = express_getattr(self, 'RelatingPort', INDETERMINATE)
+        relatedport = express_getattr(self, 'RelatedPort', INDETERMINATE)
         assert (relatingport != relatedport) is not False
 
 class IfcRelContainedInSpatialStructure_WR31:
@@ -10805,7 +10813,7 @@ class IfcRelContainedInSpatialStructure_WR31:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_tc1.ifcspatialstructureelement' in typeof(temp)]) == 0) is not False
 
 class IfcRelDeclares_NoSelfReference:
@@ -10815,8 +10823,8 @@ class IfcRelDeclares_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingcontext = getattr(self, 'RelatingContext', INDETERMINATE)
-        relateddefinitions = getattr(self, 'RelatedDefinitions', INDETERMINATE)
+        relatingcontext = express_getattr(self, 'RelatingContext', INDETERMINATE)
+        relateddefinitions = express_getattr(self, 'RelatedDefinitions', INDETERMINATE)
         assert (sizeof([temp for temp in relateddefinitions if relatingcontext == temp]) == 0) is not False
 
 class IfcRelDefinesByProperties_NoRelatedTypeObject:
@@ -10826,7 +10834,7 @@ class IfcRelDefinesByProperties_NoRelatedTypeObject:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([types for types in getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_tc1.ifctypeobject' in typeof(types)]) == 0) is not False
+        assert (sizeof([types for types in express_getattr(self, 'RelatedObjects', INDETERMINATE) if 'ifc4x3_tc1.ifctypeobject' in typeof(types)]) == 0) is not False
 
 class IfcRelInterferesElements_NoSelfReference:
     SCOPE = 'entity'
@@ -10835,8 +10843,8 @@ class IfcRelInterferesElements_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingelement = getattr(self, 'RelatingElement', INDETERMINATE)
-        relatedelement = getattr(self, 'RelatedElement', INDETERMINATE)
+        relatingelement = express_getattr(self, 'RelatingElement', INDETERMINATE)
+        relatedelement = express_getattr(self, 'RelatedElement', INDETERMINATE)
         assert (relatingelement != relatedelement) is not False
 
 class IfcRelNests_NoSelfReference:
@@ -10846,8 +10854,8 @@ class IfcRelNests_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingobject = getattr(self, 'RelatingObject', INDETERMINATE)
-        relatedobjects = getattr(self, 'RelatedObjects', INDETERMINATE)
+        relatingobject = express_getattr(self, 'RelatingObject', INDETERMINATE)
+        relatedobjects = express_getattr(self, 'RelatedObjects', INDETERMINATE)
         assert (sizeof([temp for temp in relatedobjects if relatingobject == temp]) == 0) is not False
 
 class IfcRelPositions_NoSelfReference:
@@ -10857,8 +10865,8 @@ class IfcRelPositions_NoSelfReference:
 
     @staticmethod
     def __call__(self):
-        relatingpositioningelement = getattr(self, 'RelatingPositioningElement', INDETERMINATE)
-        relatedproducts = getattr(self, 'RelatedProducts', INDETERMINATE)
+        relatingpositioningelement = express_getattr(self, 'RelatingPositioningElement', INDETERMINATE)
+        relatedproducts = express_getattr(self, 'RelatedProducts', INDETERMINATE)
         assert (sizeof([temp for temp in relatedproducts if relatingpositioningelement == temp]) == 0) is not False
 
 class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
@@ -10868,7 +10876,7 @@ class IfcRelReferencedInSpatialStructure_AllowedRelatedElements:
 
     @staticmethod
     def __call__(self):
-        relatedelements = getattr(self, 'RelatedElements', INDETERMINATE)
+        relatedelements = express_getattr(self, 'RelatedElements', INDETERMINATE)
         assert (sizeof([temp for temp in relatedelements if 'ifc4x3_tc1.ifcspatialstructureelement' in typeof(temp) and (not 'ifc4x3_tc1.ifcspace' in typeof(temp))]) == 0) is not False
 
 class IfcRelSequence_AvoidInconsistentSequence:
@@ -10878,8 +10886,8 @@ class IfcRelSequence_AvoidInconsistentSequence:
 
     @staticmethod
     def __call__(self):
-        relatingprocess = getattr(self, 'RelatingProcess', INDETERMINATE)
-        relatedprocess = getattr(self, 'RelatedProcess', INDETERMINATE)
+        relatingprocess = express_getattr(self, 'RelatingProcess', INDETERMINATE)
+        relatedprocess = express_getattr(self, 'RelatedProcess', INDETERMINATE)
         assert (relatingprocess != relatedprocess) is not False
 
 class IfcRelSequence_CorrectSequenceType:
@@ -10889,9 +10897,9 @@ class IfcRelSequence_CorrectSequenceType:
 
     @staticmethod
     def __call__(self):
-        sequencetype = getattr(self, 'SequenceType', INDETERMINATE)
-        userdefinedsequencetype = getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
-        assert (sequencetype != getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
+        sequencetype = express_getattr(self, 'SequenceType', INDETERMINATE)
+        userdefinedsequencetype = express_getattr(self, 'UserDefinedSequenceType', INDETERMINATE)
+        assert (sequencetype != express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) or (sequencetype == express_getattr(IfcSequenceEnum, 'USERDEFINED', INDETERMINATE) and exists(userdefinedsequencetype))) is not False
 
 class IfcRelSpaceBoundary_CorrectPhysOrVirt:
     SCOPE = 'entity'
@@ -10900,9 +10908,9 @@ class IfcRelSpaceBoundary_CorrectPhysOrVirt:
 
     @staticmethod
     def __call__(self):
-        relatedbuildingelement = getattr(self, 'RelatedBuildingElement', INDETERMINATE)
-        physicalorvirtualboundary = getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
-        assert (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_tc1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_tc1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_tc1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
+        relatedbuildingelement = express_getattr(self, 'RelatedBuildingElement', INDETERMINATE)
+        physicalorvirtualboundary = express_getattr(self, 'PhysicalOrVirtualBoundary', INDETERMINATE)
+        assert (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Physical', INDETERMINATE) and (not 'ifc4x3_tc1.ifcvirtualelement' in typeof(relatedbuildingelement)) or (physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'Virtual', INDETERMINATE) and ('ifc4x3_tc1.ifcvirtualelement' in typeof(relatedbuildingelement) or 'ifc4x3_tc1.ifcopeningelement' in typeof(relatedbuildingelement))) or physicalorvirtualboundary == express_getattr(IfcPhysicalOrVirtualEnum, 'NotDefined', INDETERMINATE)) is not False
 
 class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
     SCOPE = 'entity'
@@ -10911,7 +10919,7 @@ class IfcReparametrisedCompositeCurveSegment_PositiveLengthParameter:
 
     @staticmethod
     def __call__(self):
-        paramlength = getattr(self, 'ParamLength', INDETERMINATE)
+        paramlength = express_getattr(self, 'ParamLength', INDETERMINATE)
         assert (paramlength > 0.0) is not False
 
 class IfcRepresentationMap_ApplicableMappedRepr:
@@ -10921,7 +10929,7 @@ class IfcRepresentationMap_ApplicableMappedRepr:
 
     @staticmethod
     def __call__(self):
-        mappedrepresentation = getattr(self, 'MappedRepresentation', INDETERMINATE)
+        mappedrepresentation = express_getattr(self, 'MappedRepresentation', INDETERMINATE)
         assert ('ifc4x3_tc1.ifcshapemodel' in typeof(mappedrepresentation)) is not False
 
 class IfcRevolvedAreaSolid_AxisDirectionInXY:
@@ -10931,8 +10939,8 @@ class IfcRevolvedAreaSolid_AxisDirectionInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert (express_getitem(getattr(getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert (express_getitem(express_getattr(express_getattr(axis, 'Z', INDETERMINATE), 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 class IfcRevolvedAreaSolid_AxisStartInXY:
     SCOPE = 'entity'
@@ -10941,12 +10949,12 @@ class IfcRevolvedAreaSolid_AxisStartInXY:
 
     @staticmethod
     def __call__(self):
-        axis = getattr(self, 'Axis', INDETERMINATE)
-        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(getattr(axis, 'Location', INDETERMINATE)) and express_getitem(getattr(getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
+        axis = express_getattr(self, 'Axis', INDETERMINATE)
+        assert ('ifc4x3_tc1.ifccartesianpoint' in typeof(express_getattr(axis, 'Location', INDETERMINATE)) and express_getitem(express_getattr(express_getattr(axis, 'Location', INDETERMINATE), 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) == 0.0) is not False
 
 def calc_IfcRevolvedAreaSolid_AxisLine(self):
-    axis = getattr(self, 'Axis', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
+    axis = express_getattr(self, 'Axis', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axis, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axis, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
     SCOPE = 'entity'
@@ -10955,7 +10963,7 @@ class IfcRevolvedAreaSolidTapered_CorrectProfileAssignment:
 
     @staticmethod
     def __call__(self):
-        assert IfcTaperedSweptAreaProfiles(getattr(self, 'SweptArea', INDETERMINATE), getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
+        assert IfcTaperedSweptAreaProfiles(express_getattr(self, 'SweptArea', INDETERMINATE), express_getattr(self, 'EndSweptArea', INDETERMINATE)) is not False
 
 class IfcRoad_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10964,8 +10972,8 @@ class IfcRoad_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoadPart_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10974,8 +10982,8 @@ class IfcRoadPart_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoadPartTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -10984,8 +10992,8 @@ class IfcRoof_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcRoof_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -10994,8 +11002,8 @@ class IfcRoof_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrooftype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcrooftype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcRoofType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11004,8 +11012,8 @@ class IfcRoofType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcRoofTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcRoundedRectangleProfileDef_ValidRadius:
     SCOPE = 'entity'
@@ -11014,11 +11022,11 @@ class IfcRoundedRectangleProfileDef_ValidRadius:
 
     @staticmethod
     def __call__(self):
-        roundingradius = getattr(self, 'RoundingRadius', INDETERMINATE)
-        assert (roundingradius <= getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
+        roundingradius = express_getattr(self, 'RoundingRadius', INDETERMINATE)
+        assert (roundingradius <= express_getattr(self, 'XDim', INDETERMINATE) / 2.0 and roundingradius <= express_getattr(self, 'YDim', INDETERMINATE) / 2.0) is not False
 
 def calc_IfcSIUnit_Dimensions(self):
-    return IfcDimensionsForSIUnit(getattr(self, 'Name', INDETERMINATE))
+    return IfcDimensionsForSIUnit(express_getattr(self, 'Name', INDETERMINATE))
 
 class IfcSanitaryTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11027,8 +11035,8 @@ class IfcSanitaryTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSanitaryTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11037,8 +11045,8 @@ class IfcSanitaryTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsanitaryterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsanitaryterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSanitaryTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11047,8 +11055,8 @@ class IfcSanitaryTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSanitaryTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSeamCurve_SameSurface:
     SCOPE = 'entity'
@@ -11057,7 +11065,7 @@ class IfcSeamCurve_SameSurface:
 
     @staticmethod
     def __call__(self):
-        assert (IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) == IfcAssociatedSurface(express_getitem(express_getattr(self, 'AssociatedGeometry', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcSeamCurve_TwoPCurves:
     SCOPE = 'entity'
@@ -11066,7 +11074,7 @@ class IfcSeamCurve_TwoPCurves:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
+        assert (sizeof(express_getattr(self, 'AssociatedGeometry', INDETERMINATE)) == 2) is not False
 
 class IfcSectionedSolid_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11075,8 +11083,8 @@ class IfcSectionedSolid_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSolid_DirectrixIs3D:
     SCOPE = 'entity'
@@ -11085,8 +11093,8 @@ class IfcSectionedSolid_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSolid_SectionsSameType:
     SCOPE = 'entity'
@@ -11095,7 +11103,7 @@ class IfcSectionedSolid_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
@@ -11105,8 +11113,8 @@ class IfcSectionedSolidHorizontal_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
@@ -11116,8 +11124,8 @@ class IfcSectionedSolidHorizontal_NoLongitudinalOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSpine_ConsistentProfileTypes:
     SCOPE = 'entity'
@@ -11126,8 +11134,8 @@ class IfcSectionedSpine_ConsistentProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ProfileType', INDETERMINATE) != express_getattr(temp, 'ProfileType', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSpine_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11136,8 +11144,8 @@ class IfcSectionedSpine_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSpine_SpineCurveDim:
@@ -11147,8 +11155,8 @@ class IfcSectionedSpine_SpineCurveDim:
 
     @staticmethod
     def __call__(self):
-        spinecurve = getattr(self, 'SpineCurve', INDETERMINATE)
-        assert (getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
+        spinecurve = express_getattr(self, 'SpineCurve', INDETERMINATE)
+        assert (express_getattr(spinecurve, 'Dim', INDETERMINATE) == 3) is not False
 
 def calc_IfcSectionedSpine_Dim(self):
     return 3
@@ -11160,8 +11168,8 @@ class IfcSectionedSurface_AreaProfileTypes:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssections if getattr(temp, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) == 0) is not False
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssections if express_getattr(temp, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'CURVE', INDETERMINATE)]) == 0) is not False
 
 class IfcSectionedSurface_CorrespondingSectionPositions:
     SCOPE = 'entity'
@@ -11170,8 +11178,8 @@ class IfcSectionedSurface_CorrespondingSectionPositions:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof(crosssections) == sizeof(crosssectionpositions)) is not False
 
 class IfcSectionedSurface_DirectrixIs3D:
@@ -11181,8 +11189,8 @@ class IfcSectionedSurface_DirectrixIs3D:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSectionedSurface_NoOffsets:
     SCOPE = 'entity'
@@ -11191,8 +11199,8 @@ class IfcSectionedSurface_NoOffsets:
 
     @staticmethod
     def __call__(self):
-        crosssectionpositions = getattr(self, 'CrossSectionPositions', INDETERMINATE)
-        assert (sizeof([temp for temp in crosssectionpositions if exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(getattr(getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
+        crosssectionpositions = express_getattr(self, 'CrossSectionPositions', INDETERMINATE)
+        assert (sizeof([temp for temp in crosssectionpositions if exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLateral', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetVertical', INDETERMINATE)) or exists(express_getattr(express_getattr(temp, 'Location', INDETERMINATE), 'OffsetLongitudinal', INDETERMINATE))]) == 0) is not False
 
 class IfcSectionedSurface_SectionsSameType:
     SCOPE = 'entity'
@@ -11201,7 +11209,7 @@ class IfcSectionedSurface_SectionsSameType:
 
     @staticmethod
     def __call__(self):
-        crosssections = getattr(self, 'CrossSections', INDETERMINATE)
+        crosssections = express_getattr(self, 'CrossSections', INDETERMINATE)
         assert (sizeof([temp for temp in crosssections if typeof(express_getitem(crosssections, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(temp)]) == 0) is not False
 
 def calc_IfcSegment_Dim(self):
@@ -11214,8 +11222,8 @@ class IfcSensor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSensor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11224,8 +11232,8 @@ class IfcSensor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsensortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsensortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSensorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11234,8 +11242,8 @@ class IfcSensorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSensorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11244,8 +11252,8 @@ class IfcShadingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcShadingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11254,8 +11262,8 @@ class IfcShadingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcshadingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcshadingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcShadingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11264,8 +11272,8 @@ class IfcShadingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcShadingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcShapeModel_WR11:
     SCOPE = 'entity'
@@ -11274,8 +11282,8 @@ class IfcShapeModel_WR11:
 
     @staticmethod
     def __call__(self):
-        ofshapeaspect = getattr(self, 'OfShapeAspect', INDETERMINATE)
-        assert (sizeof(getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
+        ofshapeaspect = express_getattr(self, 'OfShapeAspect', INDETERMINATE)
+        assert (sizeof(express_getattr(self, 'OfProductRepresentation', INDETERMINATE)) == 1) ^ (sizeof(express_getattr(self, 'RepresentationMap', INDETERMINATE)) == 1) ^ (sizeof(ofshapeaspect) == 1) is not False
 
 class IfcShapeRepresentation_CorrectContext:
     SCOPE = 'entity'
@@ -11284,7 +11292,7 @@ class IfcShapeRepresentation_CorrectContext:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifcgeometricrepresentationcontext' in typeof(getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
+        assert ('ifc4x3_tc1.ifcgeometricrepresentationcontext' in typeof(express_getattr(self, 'ContextOfItems', INDETERMINATE))) is not False
 
 class IfcShapeRepresentation_CorrectItemsForType:
     SCOPE = 'entity'
@@ -11293,7 +11301,7 @@ class IfcShapeRepresentation_CorrectItemsForType:
 
     @staticmethod
     def __call__(self):
-        assert IfcShapeRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcShapeRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationIdentifier:
     SCOPE = 'entity'
@@ -11302,7 +11310,7 @@ class IfcShapeRepresentation_HasRepresentationIdentifier:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationIdentifier', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_HasRepresentationType:
     SCOPE = 'entity'
@@ -11311,7 +11319,7 @@ class IfcShapeRepresentation_HasRepresentationType:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcShapeRepresentation_NoTopologicalItem:
     SCOPE = 'entity'
@@ -11320,7 +11328,7 @@ class IfcShapeRepresentation_NoTopologicalItem:
 
     @staticmethod
     def __call__(self):
-        items = getattr(self, 'Items', INDETERMINATE)
+        items = express_getattr(self, 'Items', INDETERMINATE)
         assert (sizeof([temp for temp in items if 'ifc4x3_tc1.ifctopologicalrepresentationitem' in typeof(temp) and (not sizeof(['ifc4x3_tc1.ifcvertexpoint', 'ifc4x3_tc1.ifcedgecurve', 'ifc4x3_tc1.ifcfacesurface'] * typeof(temp)) == 1)]) == 0) is not False
 
 def calc_IfcShellBasedSurfaceModel_Dim(self):
@@ -11333,8 +11341,8 @@ class IfcSign_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSign_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11343,8 +11351,8 @@ class IfcSign_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsigntype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsigntype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11353,8 +11361,8 @@ class IfcSignType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11363,8 +11371,8 @@ class IfcSignal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSignal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11373,8 +11381,8 @@ class IfcSignal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsignaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsignaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSignalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11383,8 +11391,8 @@ class IfcSignalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSignalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11393,8 +11401,8 @@ class IfcSlab_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSlab_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11403,8 +11411,8 @@ class IfcSlab_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcslabtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcslabtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSlabType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11413,8 +11421,8 @@ class IfcSlabType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSlabTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11423,8 +11431,8 @@ class IfcSolarDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSolarDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11433,8 +11441,8 @@ class IfcSolarDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsolardevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsolardevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSolarDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11443,8 +11451,8 @@ class IfcSolarDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSolarDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcSolidModel_Dim(self):
     return 3
@@ -11456,8 +11464,8 @@ class IfcSpace_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpace_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11466,8 +11474,8 @@ class IfcSpace_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcspacetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcspacetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeater_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11476,8 +11484,8 @@ class IfcSpaceHeater_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpaceHeater_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11486,8 +11494,8 @@ class IfcSpaceHeater_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcspaceheatertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcspaceheatertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpaceHeaterType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11496,8 +11504,8 @@ class IfcSpaceHeaterType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceHeaterTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpaceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11506,8 +11514,8 @@ class IfcSpaceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpaceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSpatialStructureElement_WR41:
     SCOPE = 'entity'
@@ -11516,7 +11524,7 @@ class IfcSpatialStructureElement_WR41:
 
     @staticmethod
     def __call__(self):
-        assert (hiindex(getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_tc1.ifcrelaggregates' in typeof(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_tc1.ifcproject' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_tc1.ifcspatialstructureelement' in typeof(getattr(express_getitem(getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
+        assert (hiindex(express_getattr(self, 'Decomposes', INDETERMINATE)) == 1 and 'ifc4x3_tc1.ifcrelaggregates' in typeof(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and ('ifc4x3_tc1.ifcproject' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)) or 'ifc4x3_tc1.ifcspatialstructureelement' in typeof(express_getattr(express_getitem(express_getattr(self, 'Decomposes', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingObject', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11525,8 +11533,8 @@ class IfcSpatialZone_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSpatialZone_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11535,8 +11543,8 @@ class IfcSpatialZone_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcspatialzonetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcspatialzonetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSpatialZoneType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11545,8 +11553,8 @@ class IfcSpatialZoneType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSpatialZoneTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11555,8 +11563,8 @@ class IfcStackTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStackTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11565,8 +11573,8 @@ class IfcStackTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcstackterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcstackterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStackTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11575,8 +11583,8 @@ class IfcStackTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStackTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11585,8 +11593,8 @@ class IfcStair_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStair_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11595,8 +11603,8 @@ class IfcStair_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcstairtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcstairtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlight_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11605,8 +11613,8 @@ class IfcStairFlight_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStairFlight_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -11615,8 +11623,8 @@ class IfcStairFlight_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcstairflighttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcstairflighttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcStairFlightType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11625,8 +11633,8 @@ class IfcStairFlightType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairFlightTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStairType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11635,8 +11643,8 @@ class IfcStairType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcStairTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcStructuralAnalysisModel_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11645,8 +11653,8 @@ class IfcStructuralAnalysisModel_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcAnalysisModelTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcStructuralCurveAction_HasObjectType:
     SCOPE = 'entity'
@@ -11655,8 +11663,8 @@ class IfcStructuralCurveAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11665,8 +11673,8 @@ class IfcStructuralCurveAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralCurveAction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11675,8 +11683,8 @@ class IfcStructuralCurveAction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'EQUIDISTANT', INDETERMINATE)) is not False
 
 class IfcStructuralCurveMember_HasObjectType:
     SCOPE = 'entity'
@@ -11685,8 +11693,8 @@ class IfcStructuralCurveMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_HasObjectType:
     SCOPE = 'entity'
@@ -11695,8 +11703,8 @@ class IfcStructuralCurveReaction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralCurveReaction_SuitablePredefinedType:
     SCOPE = 'entity'
@@ -11705,8 +11713,8 @@ class IfcStructuralCurveReaction_SuitablePredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'SINUS', INDETERMINATE) and predefinedtype != express_getattr(IfcStructuralCurveActivityTypeEnum, 'PARABOLA', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11715,7 +11723,7 @@ class IfcStructuralLinearAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralCurveActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralLinearAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11724,7 +11732,7 @@ class IfcStructuralLinearAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadlinearforce', 'ifc4x3_tc1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadlinearforce', 'ifc4x3_tc1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralLoadCase_IsLoadCasePredefinedType:
     SCOPE = 'entity'
@@ -11733,7 +11741,7 @@ class IfcStructuralLoadCase_IsLoadCasePredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcLoadGroupTypeEnum, 'LOAD_CASE', INDETERMINATE)) is not False
 
 class IfcStructuralLoadConfiguration_ValidListSize:
     SCOPE = 'entity'
@@ -11742,8 +11750,8 @@ class IfcStructuralLoadConfiguration_ValidListSize:
 
     @staticmethod
     def __call__(self):
-        values = getattr(self, 'Values', INDETERMINATE)
-        locations = getattr(self, 'Locations', INDETERMINATE)
+        values = express_getattr(self, 'Values', INDETERMINATE)
+        locations = express_getattr(self, 'Locations', INDETERMINATE)
         assert (not exists(locations) or sizeof(locations) == sizeof(values)) is not False
 
 class IfcStructuralLoadGroup_HasObjectType:
@@ -11753,10 +11761,10 @@ class IfcStructuralLoadGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        actiontype = getattr(self, 'ActionType', INDETERMINATE)
-        actionsource = getattr(self, 'ActionSource', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        actiontype = express_getattr(self, 'ActionType', INDETERMINATE)
+        actionsource = express_getattr(self, 'ActionSource', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcLoadGroupTypeEnum, 'USERDEFINED', INDETERMINATE) and actiontype != express_getattr(IfcActionTypeEnum, 'USERDEFINED', INDETERMINATE) and (actionsource != express_getattr(IfcActionSourceTypeEnum, 'USERDEFINED', INDETERMINATE)) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralPlanarAction_ConstPredefinedType:
     SCOPE = 'entity'
@@ -11765,7 +11773,7 @@ class IfcStructuralPlanarAction_ConstPredefinedType:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'PredefinedType', INDETERMINATE) == getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
+        assert (express_getattr(self, 'PredefinedType', INDETERMINATE) == express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'CONST', INDETERMINATE)) is not False
 
 class IfcStructuralPlanarAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11774,7 +11782,7 @@ class IfcStructuralPlanarAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadplanarforce', 'ifc4x3_tc1.ifcstructuralloadtemperature'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadplanarforce', 'ifc4x3_tc1.ifcstructuralloadtemperature'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointAction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11783,7 +11791,7 @@ class IfcStructuralPointAction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadsingleforce', 'ifc4x3_tc1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadsingleforce', 'ifc4x3_tc1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralPointReaction_SuitableLoadType:
     SCOPE = 'entity'
@@ -11792,7 +11800,7 @@ class IfcStructuralPointReaction_SuitableLoadType:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadsingleforce', 'ifc4x3_tc1.ifcstructuralloadsingledisplacement'] * typeof(getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
+        assert (sizeof(['ifc4x3_tc1.ifcstructuralloadsingleforce', 'ifc4x3_tc1.ifcstructuralloadsingledisplacement'] * typeof(express_getattr(self, 'AppliedLoad', INDETERMINATE))) == 1) is not False
 
 class IfcStructuralResultGroup_HasObjectType:
     SCOPE = 'entity'
@@ -11801,8 +11809,8 @@ class IfcStructuralResultGroup_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        theorytype = getattr(self, 'TheoryType', INDETERMINATE)
-        assert (theorytype != getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        theorytype = express_getattr(self, 'TheoryType', INDETERMINATE)
+        assert (theorytype != express_getattr(IfcAnalysisTheoryTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_HasObjectType:
     SCOPE = 'entity'
@@ -11811,8 +11819,8 @@ class IfcStructuralSurfaceAction_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceAction_ProjectedIsGlobal:
     SCOPE = 'entity'
@@ -11821,8 +11829,8 @@ class IfcStructuralSurfaceAction_ProjectedIsGlobal:
 
     @staticmethod
     def __call__(self):
-        projectedortrue = getattr(self, 'ProjectedOrTrue', INDETERMINATE)
-        assert (not exists(projectedortrue) or (projectedortrue != projected_length or getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
+        projectedortrue = express_getattr(self, 'ProjectedOrTrue', INDETERMINATE)
+        assert (not exists(projectedortrue) or (projectedortrue != projected_length or express_getattr(self, 'GlobalOrLocal', INDETERMINATE) == global_coords)) is not False
 
 class IfcStructuralSurfaceMember_HasObjectType:
     SCOPE = 'entity'
@@ -11831,8 +11839,8 @@ class IfcStructuralSurfaceMember_HasObjectType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceMemberTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStructuralSurfaceReaction_HasPredefinedType:
     SCOPE = 'entity'
@@ -11841,8 +11849,8 @@ class IfcStructuralSurfaceReaction_HasPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(getattr(self, 'ObjectType', INDETERMINATE))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcStructuralSurfaceActivityTypeEnum, 'USERDEFINED', INDETERMINATE) or exists(express_getattr(self, 'ObjectType', INDETERMINATE))) is not False
 
 class IfcStyledItem_ApplicableItem:
     SCOPE = 'entity'
@@ -11851,7 +11859,7 @@ class IfcStyledItem_ApplicableItem:
 
     @staticmethod
     def __call__(self):
-        item = getattr(self, 'Item', INDETERMINATE)
+        item = express_getattr(self, 'Item', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcstyleditem' in typeof(item)) is not False
 
 class IfcStyledRepresentation_OnlyStyledItems:
@@ -11861,7 +11869,7 @@ class IfcStyledRepresentation_OnlyStyledItems:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_tc1.ifcstyleditem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_tc1.ifcstyleditem' in typeof(temp)]) == 0) is not False
 
 class IfcSubContractResource_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11870,8 +11878,8 @@ class IfcSubContractResource_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSubContractResourceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -11880,8 +11888,8 @@ class IfcSubContractResourceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ResourceType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSubContractResourceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ResourceType', INDETERMINATE)))) is not False
 
 def calc_IfcSurface_Dim(self):
     return 3
@@ -11893,8 +11901,8 @@ class IfcSurfaceCurve_CurveIs3D:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
-        assert (getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
+        assert (express_getattr(curve3d, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSurfaceCurve_CurveIsNotPcurve:
     SCOPE = 'entity'
@@ -11903,7 +11911,7 @@ class IfcSurfaceCurve_CurveIsNotPcurve:
 
     @staticmethod
     def __call__(self):
-        curve3d = getattr(self, 'Curve3D', INDETERMINATE)
+        curve3d = express_getattr(self, 'Curve3D', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcpcurve' in typeof(curve3d)) is not False
 
 def calc_IfcSurfaceCurve_BasisSurface(self):
@@ -11916,8 +11924,8 @@ class IfcSurfaceFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSurfaceFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
     SCOPE = 'entity'
@@ -11926,17 +11934,17 @@ class IfcSurfaceOfLinearExtrusion_DepthGreaterZero:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
         assert (depth > 0.0) is not False
 
 def calc_IfcSurfaceOfLinearExtrusion_ExtrusionAxis(self):
-    extrudeddirection = getattr(self, 'ExtrudedDirection', INDETERMINATE)
-    depth = getattr(self, 'Depth', INDETERMINATE)
+    extrudeddirection = express_getattr(self, 'ExtrudedDirection', INDETERMINATE)
+    depth = express_getattr(self, 'Depth', INDETERMINATE)
     return IfcVector(Orientation=extrudeddirection, Magnitude=depth)
 
 def calc_IfcSurfaceOfRevolution_AxisLine(self):
-    axisposition = getattr(self, 'AxisPosition', INDETERMINATE)
-    return IfcLine(Pnt=getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
+    axisposition = express_getattr(self, 'AxisPosition', INDETERMINATE)
+    return IfcLine(Pnt=express_getattr(axisposition, 'Location', INDETERMINATE), Dir=IfcVector(Orientation=express_getattr(axisposition, 'Z', INDETERMINATE), Magnitude=1.0))
 
 class IfcSurfaceReinforcementArea_NonnegativeArea1:
     SCOPE = 'entity'
@@ -11945,7 +11953,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea1:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
         assert (not exists(surfacereinforcement1) or (express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement1) == 1 or express_getitem(surfacereinforcement1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea2:
@@ -11955,7 +11963,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea2:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
         assert (not exists(surfacereinforcement2) or (express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and express_getitem(surfacereinforcement2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0 and (sizeof(surfacereinforcement2) == 1 or express_getitem(surfacereinforcement2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) >= 0.0))) is not False
 
 class IfcSurfaceReinforcementArea_NonnegativeArea3:
@@ -11965,7 +11973,7 @@ class IfcSurfaceReinforcementArea_NonnegativeArea3:
 
     @staticmethod
     def __call__(self):
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (not exists(shearreinforcement) or shearreinforcement >= 0.0) is not False
 
 class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
@@ -11975,9 +11983,9 @@ class IfcSurfaceReinforcementArea_SurfaceAndOrShearAreaSpecified:
 
     @staticmethod
     def __call__(self):
-        surfacereinforcement1 = getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
-        surfacereinforcement2 = getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
-        shearreinforcement = getattr(self, 'ShearReinforcement', INDETERMINATE)
+        surfacereinforcement1 = express_getattr(self, 'SurfaceReinforcement1', INDETERMINATE)
+        surfacereinforcement2 = express_getattr(self, 'SurfaceReinforcement2', INDETERMINATE)
+        shearreinforcement = express_getattr(self, 'ShearReinforcement', INDETERMINATE)
         assert (exists(surfacereinforcement1) or exists(surfacereinforcement2) or exists(shearreinforcement)) is not False
 
 class IfcSurfaceStyle_MaxOneExtDefined:
@@ -11987,7 +11995,7 @@ class IfcSurfaceStyle_MaxOneExtDefined:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcexternallydefinedsurfacestyle' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneLighting:
     SCOPE = 'entity'
@@ -11996,7 +12004,7 @@ class IfcSurfaceStyle_MaxOneLighting:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestylelighting' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneRefraction:
     SCOPE = 'entity'
@@ -12005,7 +12013,7 @@ class IfcSurfaceStyle_MaxOneRefraction:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestylerefraction' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneShading:
     SCOPE = 'entity'
@@ -12014,7 +12022,7 @@ class IfcSurfaceStyle_MaxOneShading:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestyleshading' in typeof(style)]) <= 1) is not False
 
 class IfcSurfaceStyle_MaxOneTextures:
     SCOPE = 'entity'
@@ -12023,7 +12031,7 @@ class IfcSurfaceStyle_MaxOneTextures:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([style for style in getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
+        assert (sizeof([style for style in express_getattr(self, 'Styles', INDETERMINATE) if 'ifc4x3_tc1.ifcsurfacestylewithtextures' in typeof(style)]) <= 1) is not False
 
 class IfcSweptAreaSolid_SweptAreaType:
     SCOPE = 'entity'
@@ -12032,8 +12040,8 @@ class IfcSweptAreaSolid_SweptAreaType:
 
     @staticmethod
     def __call__(self):
-        sweptarea = getattr(self, 'SweptArea', INDETERMINATE)
-        assert (getattr(sweptarea, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
+        sweptarea = express_getattr(self, 'SweptArea', INDETERMINATE)
+        assert (express_getattr(sweptarea, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Area', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolid_DirectrixBounded:
     SCOPE = 'entity'
@@ -12042,9 +12050,9 @@ class IfcSweptDiskSolid_DirectrixBounded:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        startparam = getattr(self, 'StartParam', INDETERMINATE)
-        endparam = getattr(self, 'EndParam', INDETERMINATE)
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        startparam = express_getattr(self, 'StartParam', INDETERMINATE)
+        endparam = express_getattr(self, 'EndParam', INDETERMINATE)
         assert (exists(startparam) and exists(endparam) or sizeof(['ifc4x3_tc1.ifcconic', 'ifc4x3_tc1.ifcboundedcurve'] * typeof(directrix)) == 1) is not False
 
 class IfcSweptDiskSolid_DirectrixDim:
@@ -12054,8 +12062,8 @@ class IfcSweptDiskSolid_DirectrixDim:
 
     @staticmethod
     def __call__(self):
-        directrix = getattr(self, 'Directrix', INDETERMINATE)
-        assert (getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
+        directrix = express_getattr(self, 'Directrix', INDETERMINATE)
+        assert (express_getattr(directrix, 'Dim', INDETERMINATE) == 3) is not False
 
 class IfcSweptDiskSolid_InnerRadiusSize:
     SCOPE = 'entity'
@@ -12064,8 +12072,8 @@ class IfcSweptDiskSolid_InnerRadiusSize:
 
     @staticmethod
     def __call__(self):
-        radius = getattr(self, 'Radius', INDETERMINATE)
-        innerradius = getattr(self, 'InnerRadius', INDETERMINATE)
+        radius = express_getattr(self, 'Radius', INDETERMINATE)
+        innerradius = express_getattr(self, 'InnerRadius', INDETERMINATE)
         assert (not exists(innerradius) or radius > innerradius) is not False
 
 class IfcSweptDiskSolidPolygonal_CorrectRadii:
@@ -12075,8 +12083,8 @@ class IfcSweptDiskSolidPolygonal_CorrectRadii:
 
     @staticmethod
     def __call__(self):
-        filletradius = getattr(self, 'FilletRadius', INDETERMINATE)
-        assert (not exists(filletradius) or filletradius >= getattr(self, 'Radius', INDETERMINATE)) is not False
+        filletradius = express_getattr(self, 'FilletRadius', INDETERMINATE)
+        assert (not exists(filletradius) or filletradius >= express_getattr(self, 'Radius', INDETERMINATE)) is not False
 
 class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
     SCOPE = 'entity'
@@ -12085,7 +12093,7 @@ class IfcSweptDiskSolidPolygonal_DirectrixIsPolyline:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifcpolyline' in typeof(getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_tc1.ifcindexedpolycurve' in typeof(getattr(self, 'Directrix', INDETERMINATE)) and (not exists(getattr(getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
+        assert ('ifc4x3_tc1.ifcpolyline' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) or ('ifc4x3_tc1.ifcindexedpolycurve' in typeof(express_getattr(self, 'Directrix', INDETERMINATE)) and (not exists(express_getattr(express_getattr(self, 'Directrix', INDETERMINATE), 'Segments', INDETERMINATE))))) is not False
 
 class IfcSweptSurface_SweptCurveType:
     SCOPE = 'entity'
@@ -12094,8 +12102,8 @@ class IfcSweptSurface_SweptCurveType:
 
     @staticmethod
     def __call__(self):
-        sweptcurve = getattr(self, 'SweptCurve', INDETERMINATE)
-        assert (getattr(sweptcurve, 'ProfileType', INDETERMINATE) == getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
+        sweptcurve = express_getattr(self, 'SweptCurve', INDETERMINATE)
+        assert (express_getattr(sweptcurve, 'ProfileType', INDETERMINATE) == express_getattr(IfcProfileTypeEnum, 'Curve', INDETERMINATE)) is not False
 
 class IfcSwitchingDevice_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12104,8 +12112,8 @@ class IfcSwitchingDevice_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSwitchingDevice_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12114,8 +12122,8 @@ class IfcSwitchingDevice_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcswitchingdevicetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcswitchingdevicetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSwitchingDeviceType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12124,8 +12132,8 @@ class IfcSwitchingDeviceType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSwitchingDeviceTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12134,8 +12142,8 @@ class IfcSystemFurnitureElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcSystemFurnitureElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12144,8 +12152,8 @@ class IfcSystemFurnitureElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsystemfurnitureelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcsystemfurnitureelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcSystemFurnitureElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12154,8 +12162,8 @@ class IfcSystemFurnitureElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcSystemFurnitureElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12164,8 +12172,8 @@ class IfcTShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth) is not False
 
 class IfcTShapeProfileDef_ValidWebThickness:
@@ -12175,8 +12183,8 @@ class IfcTShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcTable_WR1:
@@ -12186,8 +12194,8 @@ class IfcTable_WR1:
 
     @staticmethod
     def __call__(self):
-        rows = getattr(self, 'Rows', INDETERMINATE)
-        assert (sizeof([temp for temp in rows if hiindex(getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
+        rows = express_getattr(self, 'Rows', INDETERMINATE)
+        assert (sizeof([temp for temp in rows if hiindex(express_getattr(temp, 'RowCells', INDETERMINATE)) != hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))]) == 0) is not False
 
 class IfcTable_WR2:
     SCOPE = 'entity'
@@ -12196,20 +12204,20 @@ class IfcTable_WR2:
 
     @staticmethod
     def __call__(self):
-        numberofheadings = getattr(self, 'NumberOfHeadings', INDETERMINATE)
+        numberofheadings = express_getattr(self, 'NumberOfHeadings', INDETERMINATE)
         assert (0 <= numberofheadings <= 1) is not False
 
 def calc_IfcTable_NumberOfCellsInRow(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return hiindex(getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return hiindex(express_getattr(express_getitem(rows, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RowCells', INDETERMINATE))
 
 def calc_IfcTable_NumberOfHeadings(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 def calc_IfcTable_NumberOfDataRows(self):
-    rows = getattr(self, 'Rows', INDETERMINATE)
-    return sizeof([temp for temp in rows if not getattr(temp, 'IsHeading', INDETERMINATE)])
+    rows = express_getattr(self, 'Rows', INDETERMINATE)
+    return sizeof([temp for temp in rows if not express_getattr(temp, 'IsHeading', INDETERMINATE)])
 
 class IfcTank_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12218,8 +12226,8 @@ class IfcTank_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTank_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12228,8 +12236,8 @@ class IfcTank_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctanktype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctanktype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTankType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12238,8 +12246,8 @@ class IfcTankType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTankTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTask_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12248,8 +12256,8 @@ class IfcTask_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTask_HasName:
     SCOPE = 'entity'
@@ -12258,7 +12266,7 @@ class IfcTask_HasName:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTaskType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12267,8 +12275,8 @@ class IfcTaskType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ProcessType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTaskTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ProcessType', INDETERMINATE)))) is not False
 
 class IfcTelecomAddress_MinimumDataProvided:
     SCOPE = 'entity'
@@ -12277,12 +12285,12 @@ class IfcTelecomAddress_MinimumDataProvided:
 
     @staticmethod
     def __call__(self):
-        telephonenumbers = getattr(self, 'TelephoneNumbers', INDETERMINATE)
-        facsimilenumbers = getattr(self, 'FacsimileNumbers', INDETERMINATE)
-        pagernumber = getattr(self, 'PagerNumber', INDETERMINATE)
-        electronicmailaddresses = getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
-        wwwhomepageurl = getattr(self, 'WWWHomePageURL', INDETERMINATE)
-        messagingids = getattr(self, 'MessagingIDs', INDETERMINATE)
+        telephonenumbers = express_getattr(self, 'TelephoneNumbers', INDETERMINATE)
+        facsimilenumbers = express_getattr(self, 'FacsimileNumbers', INDETERMINATE)
+        pagernumber = express_getattr(self, 'PagerNumber', INDETERMINATE)
+        electronicmailaddresses = express_getattr(self, 'ElectronicMailAddresses', INDETERMINATE)
+        wwwhomepageurl = express_getattr(self, 'WWWHomePageURL', INDETERMINATE)
+        messagingids = express_getattr(self, 'MessagingIDs', INDETERMINATE)
         assert (exists(telephonenumbers) or exists(facsimilenumbers) or exists(pagernumber) or exists(electronicmailaddresses) or exists(wwwhomepageurl) or exists(messagingids)) is not False
 
 class IfcTendon_CorrectPredefinedType:
@@ -12292,8 +12300,8 @@ class IfcTendon_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendon_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12302,8 +12310,8 @@ class IfcTendon_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctendontype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctendontype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchor_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12312,8 +12320,8 @@ class IfcTendonAnchor_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonAnchor_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12322,8 +12330,8 @@ class IfcTendonAnchor_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctendonanchortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctendonanchortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonAnchorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12332,8 +12340,8 @@ class IfcTendonAnchorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonAnchorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12342,8 +12350,8 @@ class IfcTendonConduit_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTendonConduit_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12352,8 +12360,8 @@ class IfcTendonConduit_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctendonconduittype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctendonconduittype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTendonConduitType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12362,8 +12370,8 @@ class IfcTendonConduitType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonConduitTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTendonType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12372,8 +12380,8 @@ class IfcTendonType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTendonTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTessellatedFaceSet_Dim(self):
     return 3
@@ -12385,7 +12393,7 @@ class IfcTextLiteralWithExtent_WR31:
 
     @staticmethod
     def __call__(self):
-        extent = getattr(self, 'Extent', INDETERMINATE)
+        extent = express_getattr(self, 'Extent', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcplanarbox' in typeof(extent)) is not False
 
 class IfcTextStyleFontModel_MeasureOfFontSize:
@@ -12395,7 +12403,7 @@ class IfcTextStyleFontModel_MeasureOfFontSize:
 
     @staticmethod
     def __call__(self):
-        assert ('ifc4x3_tc1.ifclengthmeasure' in typeof(getattr(self, 'FontSize', INDETERMINATE)) and getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
+        assert ('ifc4x3_tc1.ifclengthmeasure' in typeof(express_getattr(self, 'FontSize', INDETERMINATE)) and express_getattr(self, 'FontSize', INDETERMINATE) > 0.0) is not False
 
 class IfcTopologyRepresentation_WR21:
     SCOPE = 'entity'
@@ -12404,7 +12412,7 @@ class IfcTopologyRepresentation_WR21:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_tc1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
+        assert (sizeof([temp for temp in express_getattr(self, 'Items', INDETERMINATE) if not 'ifc4x3_tc1.ifctopologicalrepresentationitem' in typeof(temp)]) == 0) is not False
 
 class IfcTopologyRepresentation_WR22:
     SCOPE = 'entity'
@@ -12413,7 +12421,7 @@ class IfcTopologyRepresentation_WR22:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'RepresentationType', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'RepresentationType', INDETERMINATE)) is not False
 
 class IfcTopologyRepresentation_WR23:
     SCOPE = 'entity'
@@ -12422,7 +12430,7 @@ class IfcTopologyRepresentation_WR23:
 
     @staticmethod
     def __call__(self):
-        assert IfcTopologyRepresentationTypes(getattr(self, 'RepresentationType', INDETERMINATE), getattr(self, 'Items', INDETERMINATE)) is not False
+        assert IfcTopologyRepresentationTypes(express_getattr(self, 'RepresentationType', INDETERMINATE), express_getattr(self, 'Items', INDETERMINATE)) is not False
 
 class IfcToroidalSurface_MajorLargerMinor:
     SCOPE = 'entity'
@@ -12431,8 +12439,8 @@ class IfcToroidalSurface_MajorLargerMinor:
 
     @staticmethod
     def __call__(self):
-        majorradius = getattr(self, 'MajorRadius', INDETERMINATE)
-        minorradius = getattr(self, 'MinorRadius', INDETERMINATE)
+        majorradius = express_getattr(self, 'MajorRadius', INDETERMINATE)
+        minorradius = express_getattr(self, 'MinorRadius', INDETERMINATE)
         assert (minorradius < majorradius) is not False
 
 class IfcTrackElement_CorrectPredefinedType:
@@ -12442,8 +12450,8 @@ class IfcTrackElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTrackElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12452,8 +12460,8 @@ class IfcTrackElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctrackelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctrackelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTrackElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12462,8 +12470,8 @@ class IfcTrackElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTrackElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12472,8 +12480,8 @@ class IfcTransformer_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransformer_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12482,8 +12490,8 @@ class IfcTransformer_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctransformertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctransformertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransformerType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12492,8 +12500,8 @@ class IfcTransformerType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransformerTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12502,8 +12510,8 @@ class IfcTransportElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTransportElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12512,8 +12520,8 @@ class IfcTransportElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctransportelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctransportelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTransportElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12522,11 +12530,11 @@ class IfcTransportElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTransportElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 def calc_IfcTriangulatedFaceSet_NumberOfTriangles(self):
-    coordindex = getattr(self, 'CoordIndex', INDETERMINATE)
+    coordindex = express_getattr(self, 'CoordIndex', INDETERMINATE)
     return sizeof(coordindex)
 
 class IfcTriangulatedIrregularNetwork_NotClosed:
@@ -12536,7 +12544,7 @@ class IfcTriangulatedIrregularNetwork_NotClosed:
 
     @staticmethod
     def __call__(self):
-        assert (getattr(self, 'Closed', INDETERMINATE) == False) is not False
+        assert (express_getattr(self, 'Closed', INDETERMINATE) == False) is not False
 
 class IfcTrimmedCurve_NoTrimOfBoundedCurves:
     SCOPE = 'entity'
@@ -12545,7 +12553,7 @@ class IfcTrimmedCurve_NoTrimOfBoundedCurves:
 
     @staticmethod
     def __call__(self):
-        basiscurve = getattr(self, 'BasisCurve', INDETERMINATE)
+        basiscurve = express_getattr(self, 'BasisCurve', INDETERMINATE)
         assert (not 'ifc4x3_tc1.ifcboundedcurve' in typeof(basiscurve)) is not False
 
 class IfcTrimmedCurve_Trim1ValuesConsistent:
@@ -12555,7 +12563,7 @@ class IfcTrimmedCurve_Trim1ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim1 = getattr(self, 'Trim1', INDETERMINATE)
+        trim1 = express_getattr(self, 'Trim1', INDETERMINATE)
         assert (hiindex(trim1) == 1 or typeof(express_getitem(trim1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTrimmedCurve_Trim2ValuesConsistent:
@@ -12565,7 +12573,7 @@ class IfcTrimmedCurve_Trim2ValuesConsistent:
 
     @staticmethod
     def __call__(self):
-        trim2 = getattr(self, 'Trim2', INDETERMINATE)
+        trim2 = express_getattr(self, 'Trim2', INDETERMINATE)
         assert (hiindex(trim2) == 1 or typeof(express_getitem(trim2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) != typeof(express_getitem(trim2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcTubeBundle_CorrectPredefinedType:
@@ -12575,8 +12583,8 @@ class IfcTubeBundle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcTubeBundle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12585,8 +12593,8 @@ class IfcTubeBundle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctubebundletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifctubebundletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcTubeBundleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12595,8 +12603,8 @@ class IfcTubeBundleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcTubeBundleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcTypeObject_NameRequired:
     SCOPE = 'entity'
@@ -12605,7 +12613,7 @@ class IfcTypeObject_NameRequired:
 
     @staticmethod
     def __call__(self):
-        assert exists(getattr(self, 'Name', INDETERMINATE)) is not False
+        assert exists(express_getattr(self, 'Name', INDETERMINATE)) is not False
 
 class IfcTypeObject_UniquePropertySetNames:
     SCOPE = 'entity'
@@ -12614,7 +12622,7 @@ class IfcTypeObject_UniquePropertySetNames:
 
     @staticmethod
     def __call__(self):
-        haspropertysets = getattr(self, 'HasPropertySets', INDETERMINATE)
+        haspropertysets = express_getattr(self, 'HasPropertySets', INDETERMINATE)
         assert (not exists(haspropertysets) or IfcUniquePropertySetNames(haspropertysets)) is not False
 
 class IfcTypeProduct_ApplicableOccurrence:
@@ -12624,7 +12632,7 @@ class IfcTypeProduct_ApplicableOccurrence:
 
     @staticmethod
     def __call__(self):
-        assert (not exists(lambda : express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_tc1.ifcproduct' in typeof(temp)]) == 0) is not False
+        assert (not exists(lambda : express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'Types', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not 'ifc4x3_tc1.ifcproduct' in typeof(temp)]) == 0) is not False
 
 class IfcUShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -12633,8 +12641,8 @@ class IfcUShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcUShapeProfileDef_ValidWebThickness:
@@ -12644,8 +12652,8 @@ class IfcUShapeProfileDef_ValidWebThickness:
 
     @staticmethod
     def __call__(self):
-        flangewidth = getattr(self, 'FlangeWidth', INDETERMINATE)
-        webthickness = getattr(self, 'WebThickness', INDETERMINATE)
+        flangewidth = express_getattr(self, 'FlangeWidth', INDETERMINATE)
+        webthickness = express_getattr(self, 'WebThickness', INDETERMINATE)
         assert (webthickness < flangewidth) is not False
 
 class IfcUnitAssignment_WR01:
@@ -12655,7 +12663,7 @@ class IfcUnitAssignment_WR01:
 
     @staticmethod
     def __call__(self):
-        units = getattr(self, 'Units', INDETERMINATE)
+        units = express_getattr(self, 'Units', INDETERMINATE)
         assert IfcCorrectUnitAssignment(units) is not False
 
 class IfcUnitaryControlElement_CorrectPredefinedType:
@@ -12665,8 +12673,8 @@ class IfcUnitaryControlElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryControlElement_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12675,8 +12683,8 @@ class IfcUnitaryControlElement_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcunitarycontrolelementtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcunitarycontrolelementtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryControlElementType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12685,8 +12693,8 @@ class IfcUnitaryControlElementType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryControlElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12695,8 +12703,8 @@ class IfcUnitaryEquipment_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcUnitaryEquipment_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12705,8 +12713,8 @@ class IfcUnitaryEquipment_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcunitaryequipmenttype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcunitaryequipmenttype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcUnitaryEquipmentType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12715,8 +12723,8 @@ class IfcUnitaryEquipmentType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcUnitaryEquipmentTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12725,8 +12733,8 @@ class IfcValve_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcValve_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12735,8 +12743,8 @@ class IfcValve_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvalvetype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvalvetype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcValveType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12745,8 +12753,8 @@ class IfcValveType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcValveTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVector_MagGreaterOrEqualZero:
     SCOPE = 'entity'
@@ -12755,12 +12763,12 @@ class IfcVector_MagGreaterOrEqualZero:
 
     @staticmethod
     def __call__(self):
-        magnitude = getattr(self, 'Magnitude', INDETERMINATE)
+        magnitude = express_getattr(self, 'Magnitude', INDETERMINATE)
         assert (magnitude >= 0.0) is not False
 
 def calc_IfcVector_Dim(self):
-    orientation = getattr(self, 'Orientation', INDETERMINATE)
-    return getattr(orientation, 'Dim', INDETERMINATE)
+    orientation = express_getattr(self, 'Orientation', INDETERMINATE)
+    return express_getattr(orientation, 'Dim', INDETERMINATE)
 
 class IfcVehicle_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12769,8 +12777,8 @@ class IfcVehicle_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVehicle_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12779,8 +12787,8 @@ class IfcVehicle_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvehicletype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvehicletype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVehicleType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12789,8 +12797,8 @@ class IfcVehicleType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVehicleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12799,8 +12807,8 @@ class IfcVibrationDamper_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationDamper_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12809,8 +12817,8 @@ class IfcVibrationDamper_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvibrationdampertype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvibrationdampertype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationDamperType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12819,8 +12827,8 @@ class IfcVibrationDamperType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationDamperTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12829,8 +12837,8 @@ class IfcVibrationIsolator_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVibrationIsolator_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12839,8 +12847,8 @@ class IfcVibrationIsolator_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvibrationisolatortype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcvibrationisolatortype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcVibrationIsolatorType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12849,8 +12857,8 @@ class IfcVibrationIsolatorType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVibrationIsolatorTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcVirtualElement_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12859,8 +12867,8 @@ class IfcVirtualElement_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVirtualElementTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcVoidingFeature_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12869,8 +12877,8 @@ class IfcVoidingFeature_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcVoidingFeatureTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12879,8 +12887,8 @@ class IfcWall_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWall_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12889,8 +12897,8 @@ class IfcWall_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcwalltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcwalltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWallStandardCase_HasMaterialLayerSetUsage:
     SCOPE = 'entity'
@@ -12899,7 +12907,7 @@ class IfcWallStandardCase_HasMaterialLayerSetUsage:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_tc1.ifcrelassociates.relatedobjects') if 'ifc4x3_tc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_tc1.ifcmateriallayersetusage' in typeof(getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
+        assert (sizeof([temp for temp in usedin(self, 'ifc4x3_tc1.ifcrelassociates.relatedobjects') if 'ifc4x3_tc1.ifcrelassociatesmaterial' in typeof(temp) and 'ifc4x3_tc1.ifcmateriallayersetusage' in typeof(express_getattr(temp, 'RelatingMaterial', INDETERMINATE))]) == 1) is not False
 
 class IfcWallType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12908,8 +12916,8 @@ class IfcWallType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWallTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12918,8 +12926,8 @@ class IfcWasteTerminal_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWasteTerminal_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12928,8 +12936,8 @@ class IfcWasteTerminal_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcwasteterminaltype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcwasteterminaltype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWasteTerminalType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12938,8 +12946,8 @@ class IfcWasteTerminalType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWasteTerminalTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -12948,8 +12956,8 @@ class IfcWindow_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWindow_CorrectTypeAssigned:
     SCOPE = 'entity'
@@ -12958,8 +12966,8 @@ class IfcWindow_CorrectTypeAssigned:
 
     @staticmethod
     def __call__(self):
-        istypedby = getattr(self, 'IsTypedBy', INDETERMINATE)
-        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcwindowtype' in typeof(getattr(express_getitem(getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
+        istypedby = express_getattr(self, 'IsTypedBy', INDETERMINATE)
+        assert (sizeof(istypedby) == 0 or 'ifc4x3_tc1.ifcwindowtype' in typeof(express_getattr(express_getitem(express_getattr(self, 'IsTypedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingType', INDETERMINATE))) is not False
 
 class IfcWindowLiningProperties_WR31:
     SCOPE = 'entity'
@@ -12968,8 +12976,8 @@ class IfcWindowLiningProperties_WR31:
 
     @staticmethod
     def __call__(self):
-        liningdepth = getattr(self, 'LiningDepth', INDETERMINATE)
-        liningthickness = getattr(self, 'LiningThickness', INDETERMINATE)
+        liningdepth = express_getattr(self, 'LiningDepth', INDETERMINATE)
+        liningthickness = express_getattr(self, 'LiningThickness', INDETERMINATE)
         assert (not (exists(liningdepth) and (not exists(liningthickness)))) is not False
 
 class IfcWindowLiningProperties_WR32:
@@ -12979,8 +12987,8 @@ class IfcWindowLiningProperties_WR32:
 
     @staticmethod
     def __call__(self):
-        firsttransomoffset = getattr(self, 'FirstTransomOffset', INDETERMINATE)
-        secondtransomoffset = getattr(self, 'SecondTransomOffset', INDETERMINATE)
+        firsttransomoffset = express_getattr(self, 'FirstTransomOffset', INDETERMINATE)
+        secondtransomoffset = express_getattr(self, 'SecondTransomOffset', INDETERMINATE)
         assert (not (not exists(firsttransomoffset) and exists(secondtransomoffset))) is not False
 
 class IfcWindowLiningProperties_WR33:
@@ -12990,8 +12998,8 @@ class IfcWindowLiningProperties_WR33:
 
     @staticmethod
     def __call__(self):
-        firstmullionoffset = getattr(self, 'FirstMullionOffset', INDETERMINATE)
-        secondmullionoffset = getattr(self, 'SecondMullionOffset', INDETERMINATE)
+        firstmullionoffset = express_getattr(self, 'FirstMullionOffset', INDETERMINATE)
+        secondmullionoffset = express_getattr(self, 'SecondMullionOffset', INDETERMINATE)
         assert (not (not exists(firstmullionoffset) and exists(secondmullionoffset))) is not False
 
 class IfcWindowLiningProperties_WR34:
@@ -13001,7 +13009,7 @@ class IfcWindowLiningProperties_WR34:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcWindowPanelProperties_ApplicableToType:
     SCOPE = 'entity'
@@ -13010,7 +13018,7 @@ class IfcWindowPanelProperties_ApplicableToType:
 
     @staticmethod
     def __call__(self):
-        assert (exists(lambda : express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcwindowtype' in typeof(express_getitem(getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
+        assert (exists(lambda : express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and 'ifc4x3_tc1.ifcwindowtype' in typeof(express_getitem(express_getattr(self, 'DefinesType', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))) is not False
 
 class IfcWindowType_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13019,8 +13027,8 @@ class IfcWindowType_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (predefinedtype != getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ElementType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (predefinedtype != express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWindowTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ElementType', INDETERMINATE)))) is not False
 
 class IfcWorkCalendar_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13029,8 +13037,8 @@ class IfcWorkCalendar_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkCalendarTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkPlan_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13039,8 +13047,8 @@ class IfcWorkPlan_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkPlanTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcWorkSchedule_CorrectPredefinedType:
     SCOPE = 'entity'
@@ -13049,8 +13057,8 @@ class IfcWorkSchedule_CorrectPredefinedType:
 
     @staticmethod
     def __call__(self):
-        predefinedtype = getattr(self, 'PredefinedType', INDETERMINATE)
-        assert (not exists(predefinedtype) or predefinedtype != getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(getattr(self, 'ObjectType', INDETERMINATE)))) is not False
+        predefinedtype = express_getattr(self, 'PredefinedType', INDETERMINATE)
+        assert (not exists(predefinedtype) or predefinedtype != express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) or (predefinedtype == express_getattr(IfcWorkScheduleTypeEnum, 'USERDEFINED', INDETERMINATE) and exists(express_getattr(self, 'ObjectType', INDETERMINATE)))) is not False
 
 class IfcZShapeProfileDef_ValidFlangeThickness:
     SCOPE = 'entity'
@@ -13059,8 +13067,8 @@ class IfcZShapeProfileDef_ValidFlangeThickness:
 
     @staticmethod
     def __call__(self):
-        depth = getattr(self, 'Depth', INDETERMINATE)
-        flangethickness = getattr(self, 'FlangeThickness', INDETERMINATE)
+        depth = express_getattr(self, 'Depth', INDETERMINATE)
+        flangethickness = express_getattr(self, 'FlangeThickness', INDETERMINATE)
         assert (flangethickness < depth / 2.0) is not False
 
 class IfcZone_WR1:
@@ -13070,19 +13078,19 @@ class IfcZone_WR1:
 
     @staticmethod
     def __call__(self):
-        assert (sizeof(getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in getattr(express_getitem(getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_tc1.ifczone' in typeof(temp) or 'ifc4x3_tc1.ifcspace' in typeof(temp) or 'ifc4x3_tc1.ifcspatialzone' in typeof(temp))]) == 0) is not False
+        assert (sizeof(express_getattr(self, 'IsGroupedBy', INDETERMINATE)) == 0 or sizeof([temp for temp in express_getattr(express_getitem(express_getattr(self, 'IsGroupedBy', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatedObjects', INDETERMINATE) if not ('ifc4x3_tc1.ifczone' in typeof(temp) or 'ifc4x3_tc1.ifcspace' in typeof(temp) or 'ifc4x3_tc1.ifcspatialzone' in typeof(temp))]) == 0) is not False
 
 class IfcRepresentationContextSameWCS:
     SCOPE = 'file'
 
     @staticmethod
     def __call__(file):
-        IfcGeometricRepresentationContext = getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
+        IfcGeometricRepresentationContext = express_getattr(file, 'by_type', INDETERMINATE)('IfcGeometricRepresentationContext')
         isdifferent = False
         if sizeof(IfcGeometricRepresentationContext) > 1:
             for i in range(2, hiindex(IfcGeometricRepresentationContext) + 1):
-                if getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
-                    isdifferent = not IfcSameValidPrecision(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
+                if express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE) != express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE):
+                    isdifferent = not IfcSameValidPrecision(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE)) or not IfcSameAxis2Placement(express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'WorldCoordinateSystem', INDETERMINATE), express_getattr(express_getitem(IfcGeometricRepresentationContext, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Precision', INDETERMINATE))
                     if isdifferent == True:
                         break
         assert (isdifferent == False) is not False
@@ -13092,11 +13100,11 @@ class IfcSingleProjectInstance:
 
     @staticmethod
     def __call__(file):
-        IfcProject = getattr(file, 'by_type', INDETERMINATE)('IfcProject')
+        IfcProject = express_getattr(file, 'by_type', INDETERMINATE)('IfcProject')
         assert (sizeof(IfcProject) <= 1) is not False
 
 def IfcAssociatedSurface(arg):
-    surf = getattr(arg, 'BasisSurface', INDETERMINATE)
+    surf = express_getattr(arg, 'BasisSurface', INDETERMINATE)
     return surf
 
 def IfcBaseAxis(dim, axis1, axis2, axis3):
@@ -13110,13 +13118,13 @@ def IfcBaseAxis(dim, axis1, axis2, axis3):
         if exists(axis2):
             factor = IfcDotProduct(axis2, express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
             if factor < 0.0:
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+                u[2 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     elif exists(axis2):
         d1 = IfcNormalise(axis2)
         u = [IfcOrthogonalComplement(d1), d1]
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[1 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+        u[1 - EXPRESS_ONE_BASED_INDEXING].DirectionRatios[2 - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(express_getitem(u, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     else:
         u = [IfcDirection(DirectionRatios=[1.0, 0.0]), IfcDirection(DirectionRatios=[0.0, 1.0])]
     return u
@@ -13134,7 +13142,7 @@ def IfcBuild2Axes(refdirection):
 def IfcBuildAxes(axis, refdirection):
     d1 = nvl(IfcNormalise(axis), IfcDirection(DirectionRatios=[0.0, 0.0, 1.0]))
     d2 = IfcFirstProjAxis(d1, refdirection)
-    return [d2, getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
+    return [d2, express_getattr(IfcNormalise(IfcCrossProduct(d1, d2)), 'Orientation', INDETERMINATE), d1]
 
 def IfcConsecutiveSegments(segments):
     result = True
@@ -13171,11 +13179,11 @@ def IfcConstraintsParamBSpline(degree, upknots, upcp, knotmult, knots):
 
 def IfcConvertDirectionInto2D(direction):
     direction2d = IfcDirection(DirectionRatios=[0.0, 1.0])
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[1 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
-    temp = list(getattr(direction2d, 'DirectionRatios', INDETERMINATE))
-    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    temp = list(express_getattr(direction2d, 'DirectionRatios', INDETERMINATE))
+    temp[2 - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(direction, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     direction2d.DirectionRatios = temp
     return direction2d
 
@@ -13355,7 +13363,7 @@ def IfcCorrectLocalPlacement(axisplacement, relplacement):
             if 'ifc4x3_tc1.ifcaxis2placement2d' in typeof(axisplacement):
                 return True
             if 'ifc4x3_tc1.ifcaxis2placement3d' in typeof(axisplacement):
-                if getattr(getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
+                if express_getattr(express_getattr(relplacement, 'RelativePlacement', INDETERMINATE), 'Dim', INDETERMINATE) == 3:
                     return True
                 else:
                     return False
@@ -13368,26 +13376,26 @@ def IfcCorrectUnitAssignment(units):
     monetaryunitnumber = 0
     namedunitnames = express_set([])
     derivedunitnames = express_set([])
-    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_tc1.ifcnamedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
-    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_tc1.ifcderivedunit' in typeof(temp) and (not getattr(temp, 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    namedunitnumber = sizeof([temp for temp in units if 'ifc4x3_tc1.ifcnamedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE))])
+    derivedunitnumber = sizeof([temp for temp in units if 'ifc4x3_tc1.ifcderivedunit' in typeof(temp) and (not express_getattr(temp, 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE))])
     monetaryunitnumber = sizeof([temp for temp in units if 'ifc4x3_tc1.ifcmonetaryunit' in typeof(temp)])
     for i in range(1, sizeof(units) + 1):
-        if 'ifc4x3_tc1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            namedunitnames = namedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
-        if 'ifc4x3_tc1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
-            derivedunitnames = derivedunitnames + getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_tc1.ifcnamedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            namedunitnames = namedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
+        if 'ifc4x3_tc1.ifcderivedunit' in typeof(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)) and (not express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE) == express_getattr(IfcDerivedUnitEnum, 'USERDEFINED', INDETERMINATE)):
+            derivedunitnames = derivedunitnames + express_getattr(express_getitem(units, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'UnitType', INDETERMINATE)
     return sizeof(namedunitnames) == namedunitnumber and sizeof(derivedunitnames) == derivedunitnumber and (monetaryunitnumber <= 1)
 
 def IfcCrossProduct(arg1, arg2):
-    if (not exists(arg1) or getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or getattr(arg2, 'Dim', INDETERMINATE) == 2):
+    if (not exists(arg1) or express_getattr(arg1, 'Dim', INDETERMINATE) == 2) or (not exists(arg2) or express_getattr(arg2, 'Dim', INDETERMINATE) == 2):
         return None
     else:
-        v1 = getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
-        v2 = getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
+        v1 = express_getattr(IfcNormalise(arg1), 'DirectionRatios', INDETERMINATE)
+        v2 = express_getattr(IfcNormalise(arg2), 'DirectionRatios', INDETERMINATE)
         res = IfcDirection(DirectionRatios=[express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(v1, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - express_getitem(v1, 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(v2, 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         mag = 0.0
         for i in range(1, 3 + 1):
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13396,21 +13404,21 @@ def IfcCrossProduct(arg1, arg2):
 
 def IfcCurveDim(curve):
     if 'ifc4x3_tc1.ifcline' in typeof(curve):
-        return getattr(getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Pnt', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifcconic' in typeof(curve):
-        return getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifcpolyline' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Points', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifctrimmedcurve' in typeof(curve):
-        return IfcCurveDim(getattr(curve, 'BasisCurve', INDETERMINATE))
+        return IfcCurveDim(express_getattr(curve, 'BasisCurve', INDETERMINATE))
     if 'ifc4x3_tc1.ifcgradientcurve' in typeof(curve):
         return 3
     if 'ifc4x3_tc1.ifcsegmentedreferencecurve' in typeof(curve):
         return 3
     if 'ifc4x3_tc1.ifccompositecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifcbsplinecurve' in typeof(curve):
-        return getattr(express_getitem(getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getitem(express_getattr(curve, 'ControlPointsList', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifcoffsetcurve2d' in typeof(curve):
         return 2
     if 'ifc4x3_tc1.ifcoffsetcurve3d' in typeof(curve):
@@ -13420,19 +13428,19 @@ def IfcCurveDim(curve):
     if 'ifc4x3_tc1.ifccurvesegment2d' in typeof(curve):
         return 2
     if 'ifc4x3_tc1.ifcpolynomialcurve' in typeof(curve):
-        if not exists(getattr(curve, 'CoefficientsZ', INDETERMINATE)) and getattr(getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
+        if not exists(express_getattr(curve, 'CoefficientsZ', INDETERMINATE)) and express_getattr(express_getattr(curve, 'Position', INDETERMINATE), 'Dim', INDETERMINATE) == 2:
             return 2
         return 3
     if 'ifc4x3_tc1.ifcpcurve' in typeof(curve):
         return 3
     if 'ifc4x3_tc1.ifcindexedpolycurve' in typeof(curve):
-        return getattr(getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(curve, 'Points', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcCurveWeightsPositive(b):
     result = True
-    for i in range(0, getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
-        if express_getitem(getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
+    for i in range(0, express_getattr(b, 'UpperIndexOnControlPoints', INDETERMINATE) + 1):
+        if express_getitem(express_getattr(b, 'Weights', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
             result = False
             return result
     return result
@@ -13440,13 +13448,13 @@ def IfcCurveWeightsPositive(b):
 def IfcDeriveDimensionalExponents(unitelements):
     result = IfcDimensionalExponents(0, 0, 0, 0, 0, 0, 0)
     for i in range(loindex(unitelements), hiindex(unitelements) + 1):
-        result.LengthExponent = getattr(result, 'LengthExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
-        result.MassExponent = getattr(result, 'MassExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
-        result.TimeExponent = getattr(result, 'TimeExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
-        result.ElectricCurrentExponent = getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
-        result.ThermodynamicTemperatureExponent = getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
-        result.AmountOfSubstanceExponent = getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
-        result.LuminousIntensityExponent = getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * getattr(getattr(getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
+        result.LengthExponent = express_getattr(result, 'LengthExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LengthExponent', INDETERMINATE)
+        result.MassExponent = express_getattr(result, 'MassExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'MassExponent', INDETERMINATE)
+        result.TimeExponent = express_getattr(result, 'TimeExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'TimeExponent', INDETERMINATE)
+        result.ElectricCurrentExponent = express_getattr(result, 'ElectricCurrentExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ElectricCurrentExponent', INDETERMINATE)
+        result.ThermodynamicTemperatureExponent = express_getattr(result, 'ThermodynamicTemperatureExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'ThermodynamicTemperatureExponent', INDETERMINATE)
+        result.AmountOfSubstanceExponent = express_getattr(result, 'AmountOfSubstanceExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'AmountOfSubstanceExponent', INDETERMINATE)
+        result.LuminousIntensityExponent = express_getattr(result, 'LuminousIntensityExponent', INDETERMINATE) + express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Exponent', INDETERMINATE) * express_getattr(express_getattr(express_getattr(express_getitem(unitelements, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Unit', INDETERMINATE), 'Dimensions', INDETERMINATE), 'LuminousIntensityExponent', INDETERMINATE)
     return result
 
 def IfcDimensionsForSIUnit(n):
@@ -13516,15 +13524,15 @@ def IfcDimensionsForSIUnit(n):
 def IfcDotProduct(arg1, arg2):
     if not exists(arg1) or not exists(arg2):
         scalar = None
-    elif getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    elif express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         scalar = None
     else:
         vec1 = IfcNormalise(arg1)
         vec2 = IfcNormalise(arg2)
-        ndim = getattr(arg1, 'Dim', INDETERMINATE)
+        ndim = express_getattr(arg1, 'Dim', INDETERMINATE)
         scalar = 0.0
         for i in range(1, ndim + 1):
-            scalar = scalar + express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            scalar = scalar + express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return scalar
 
 def IfcFirstProjAxis(zaxis, arg):
@@ -13533,42 +13541,42 @@ def IfcFirstProjAxis(zaxis, arg):
     else:
         z = IfcNormalise(zaxis)
         if not exists(arg):
-            if getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
+            if express_getattr(z, 'DirectionRatios', INDETERMINATE) != [1.0, 0.0, 0.0]:
                 v = IfcDirection(DirectionRatios=[1.0, 0.0, 0.0])
             else:
                 v = IfcDirection(DirectionRatios=[0.0, 1.0, 0.0])
         else:
-            if getattr(arg, 'Dim', INDETERMINATE) != 3:
+            if express_getattr(arg, 'Dim', INDETERMINATE) != 3:
                 return None
-            if getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(IfcCrossProduct(arg, z), 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 v = IfcNormalise(arg)
         xvec = IfcScalarTimesVector(IfcDotProduct(v, z), z)
-        xaxis = getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
+        xaxis = express_getattr(IfcVectorDifference(v, xvec), 'Orientation', INDETERMINATE)
         xaxis = IfcNormalise(xaxis)
     return xaxis
 
 def IfcGetBasisSurface(c):
     surfs = []
     if 'ifc4x3_tc1.ifcpcurve' in typeof(c):
-        surfs = [getattr(c, 'BasisSurface', INDETERMINATE)]
+        surfs = [express_getattr(c, 'BasisSurface', INDETERMINATE)]
     elif 'ifc4x3_tc1.ifcsurfacecurve' in typeof(c):
-        n = sizeof(getattr(c, 'AssociatedGeometry', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'AssociatedGeometry', INDETERMINATE))
         for i in range(1, n + 1):
-            surfs = surfs + IfcAssociatedSurface(express_getitem(getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
+            surfs = surfs + IfcAssociatedSurface(express_getitem(express_getattr(c, 'AssociatedGeometry', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE))
     if 'ifc4x3_tc1.ifccompositecurveonsurface' in typeof(c):
-        n = sizeof(getattr(c, 'Segments', INDETERMINATE))
-        if 'ifc4x3_tc1.ifccurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
-        if 'ifc4x3_tc1.ifccompositecurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            surfs = IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        n = sizeof(express_getattr(c, 'Segments', INDETERMINATE))
+        if 'ifc4x3_tc1.ifccurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+            surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+        if 'ifc4x3_tc1.ifccompositecurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+            surfs = IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
         if n > 1:
             for i in range(2, n + 1):
-                if 'ifc4x3_tc1.ifccurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                    surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
-                if 'ifc4x3_tc1.ifccompositecurvesegment' in typeof(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                    surfs = surfs * IfcGetBasisSurface(getattr(express_getitem(getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                if 'ifc4x3_tc1.ifccurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+                    surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
+                if 'ifc4x3_tc1.ifccompositecurvesegment' in typeof(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
+                    surfs = surfs * IfcGetBasisSurface(express_getattr(express_getitem(express_getattr(c, 'Segments', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'ParentCurve', INDETERMINATE))
     return surfs
 
 def IfcListToArray(lis, low, u):
@@ -13585,9 +13593,9 @@ def IfcListToArray(lis, low, u):
 
 def IfcLoopHeadToTail(aloop):
     p = True
-    n = sizeof(getattr(aloop, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(aloop, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(aloop, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
@@ -13605,10 +13613,10 @@ def IfcMakeArrayOfArray(lis, low1, u1, low2, u2):
     return res
 
 def IfcMlsTotalThickness(layerset):
-    max = getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
-    if sizeof(getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
-        for i in range(2, hiindex(getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
-            max = max + getattr(express_getitem(getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    max = express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
+    if sizeof(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) > 1:
+        for i in range(2, hiindex(express_getattr(layerset, 'MaterialLayers', INDETERMINATE)) + 1):
+            max = max + express_getattr(express_getitem(express_getattr(layerset, 'MaterialLayers', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'LayerThickness', INDETERMINATE)
     return max
 
 def IfcNormalise(arg):
@@ -13619,25 +13627,25 @@ def IfcNormalise(arg):
         return None
     else:
         if 'ifc4x3_tc1.ifcvector' in typeof(arg):
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
-            vec.Magnitude = getattr(arg, 'Magnitude', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(express_getattr(arg, 'Orientation', INDETERMINATE), 'DirectionRatios', INDETERMINATE)
+            vec.Magnitude = express_getattr(arg, 'Magnitude', INDETERMINATE)
             vec.Orientation = v
-            if getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
+            if express_getattr(arg, 'Magnitude', INDETERMINATE) == 0.0:
                 return None
             else:
                 vec.Magnitude = 1.0
         else:
-            ndim = getattr(arg, 'Dim', INDETERMINATE)
-            v.DirectionRatios = getattr(arg, 'DirectionRatios', INDETERMINATE)
+            ndim = express_getattr(arg, 'Dim', INDETERMINATE)
+            v.DirectionRatios = express_getattr(arg, 'DirectionRatios', INDETERMINATE)
         mag = 0.0
         for i in range(1, ndim + 1):
-            mag = mag + express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             mag = sqrt(mag)
             for i in range(1, ndim + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) / mag
                 v.DirectionRatios = temp
             if 'ifc4x3_tc1.ifcvector' in typeof(arg):
                 vec.Orientation = v
@@ -13649,29 +13657,29 @@ def IfcNormalise(arg):
     return result
 
 def IfcOrthogonalComplement(vec):
-    if not exists(vec) or getattr(vec, 'Dim', INDETERMINATE) != 2:
+    if not exists(vec) or express_getattr(vec, 'Dim', INDETERMINATE) != 2:
         return None
     else:
-        result = IfcDirection(DirectionRatios=[-express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
+        result = IfcDirection(DirectionRatios=[-express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(vec, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)])
         return result
 
 def IfcPathHeadToTail(apath):
     n = 0
     p = unknown
-    n = sizeof(getattr(apath, 'EdgeList', INDETERMINATE))
+    n = sizeof(express_getattr(apath, 'EdgeList', INDETERMINATE))
     for i in range(2, n + 1):
-        p = p and getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == getattr(express_getitem(getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
+        p = p and express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeEnd', INDETERMINATE) == express_getattr(express_getitem(express_getattr(apath, 'EdgeList', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'EdgeStart', INDETERMINATE)
     return p
 
 def IfcPointDim(point):
     if 'ifc4x3_tc1.ifccartesianpoint' in typeof(point):
-        return hiindex(getattr(point, 'Coordinates', INDETERMINATE))
+        return hiindex(express_getattr(point, 'Coordinates', INDETERMINATE))
     if 'ifc4x3_tc1.ifcpointbydistanceexpression' in typeof(point):
-        return getattr(getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifcpointoncurve' in typeof(point):
-        return getattr(getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifcpointonsurface' in typeof(point):
-        return getattr(getattr(point, 'BasisSurface', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(point, 'BasisSurface', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcPointListDim(pointlist):
@@ -13682,32 +13690,32 @@ def IfcPointListDim(pointlist):
     return None
 
 def IfcSameAxis2Placement(ap1, ap2, epsilon):
-    return IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(getattr(ap1, 'Location', INDETERMINATE), getattr(ap2, 'Location', INDETERMINATE), epsilon)
+    return IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameDirection(express_getitem(express_getattr(ap1, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), express_getitem(express_getattr(ap2, 'P', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), epsilon) and IfcSameCartesianPoint(express_getattr(ap1, 'Location', INDETERMINATE), express_getattr(ap2, 'Location', INDETERMINATE), epsilon)
 
 def IfcSameCartesianPoint(cp1, cp2, epsilon):
-    cp1x = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp1y = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1x = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp1y = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp1z = 0
-    cp2x = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    cp2y = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2x = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    cp2y = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     cp2z = 0
-    if sizeof(getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
-        cp1z = express_getitem(getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
-        cp2z = express_getitem(getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp1, 'Coordinates', INDETERMINATE)) > 2:
+        cp1z = express_getitem(express_getattr(cp1, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(cp2, 'Coordinates', INDETERMINATE)) > 2:
+        cp2z = express_getitem(express_getattr(cp2, 'Coordinates', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(cp1x, cp2x, epsilon) and IfcSameValue(cp1y, cp2y, epsilon) and IfcSameValue(cp1z, cp2z, epsilon)
 
 def IfcSameDirection(dir1, dir2, epsilon):
-    dir1x = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir1y = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1x = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir1y = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir1z = 0
-    dir2x = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    dir2y = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2x = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 1 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    dir2y = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 2 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     dir2z = 0
-    if sizeof(getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir1z = express_getitem(getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
-    if sizeof(getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
-        dir2z = express_getitem(getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir1, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir1z = express_getitem(express_getattr(dir1, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+    if sizeof(express_getattr(dir2, 'DirectionRatios', INDETERMINATE)) > 2:
+        dir2z = express_getitem(express_getattr(dir2, 'DirectionRatios', INDETERMINATE), 3 - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
     return IfcSameValue(dir1x, dir2x, epsilon) and IfcSameValue(dir1y, dir2y, epsilon) and IfcSameValue(dir1z, dir2z, epsilon)
 
 def IfcSameValidPrecision(epsilon1, epsilon2):
@@ -13728,15 +13736,15 @@ def IfcScalarTimesVector(scalar, vec):
         return None
     else:
         if 'ifc4x3_tc1.ifcvector' in typeof(vec):
-            v = getattr(vec, 'Orientation', INDETERMINATE)
-            mag = scalar * getattr(vec, 'Magnitude', INDETERMINATE)
+            v = express_getattr(vec, 'Orientation', INDETERMINATE)
+            mag = scalar * express_getattr(vec, 'Magnitude', INDETERMINATE)
         else:
             v = vec
             mag = scalar
         if mag < 0.0:
-            for i in range(1, sizeof(getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
-                temp = list(getattr(v, 'DirectionRatios', INDETERMINATE))
-                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            for i in range(1, sizeof(express_getattr(v, 'DirectionRatios', INDETERMINATE)) + 1):
+                temp = list(express_getattr(v, 'DirectionRatios', INDETERMINATE))
+                temp[i - EXPRESS_ONE_BASED_INDEXING] = -express_getitem(express_getattr(v, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
                 v.DirectionRatios = temp
             mag = -mag
         result = IfcVector(Orientation=IfcNormalise(v), Magnitude=mag)
@@ -13752,82 +13760,82 @@ def IfcSecondProjAxis(zaxis, xaxis, arg):
     temp = IfcScalarTimesVector(IfcDotProduct(v, xaxis), xaxis)
     yaxis = IfcVectorDifference(yaxis, temp)
     yaxis = IfcNormalise(yaxis)
-    return getattr(yaxis, 'Orientation', INDETERMINATE)
+    return express_getattr(yaxis, 'Orientation', INDETERMINATE)
 
 def IfcSegmentDim(segment):
     if 'ifc4x3_tc1.ifccurvesegment' in typeof(segment):
-        return getattr(getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     if 'ifc4x3_tc1.ifccompositecurvesegment' in typeof(segment):
-        return getattr(getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
+        return express_getattr(express_getattr(segment, 'ParentCurve', INDETERMINATE), 'Dim', INDETERMINATE)
     return None
 
 def IfcShapeRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'point':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'point':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcpoint' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'pointcloud':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifccartesianpointlist3d' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifccurve' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifccurve' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'curve3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifccurve' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'segment':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsegment' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
-        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 2])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
-        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsurface' in typeof(temp) and getattr(temp, 'Dim', INDETERMINATE) == 3])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface2d':
+        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 2])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surface3d':
+        count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsurface' in typeof(temp) and express_getattr(temp, 'Dim', INDETERMINATE) == 3])
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsectionedsurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'fillarea':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcannotationfillarea' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'text':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'text':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifctextliteral' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsurface':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcbsplinesurface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'annotation2d':
         count = sizeof([temp for temp in items if sizeof(typeof(temp) * ['ifc4x3_tc1.ifcpoint', 'ifc4x3_tc1.ifccurve', 'ifc4x3_tc1.ifcgeometriccurveset', 'ifc4x3_tc1.ifcannotationfillarea', 'ifc4x3_tc1.ifctextliteral']) == 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometricset':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcgeometricset' in typeof(temp) or 'ifc4x3_tc1.ifcpoint' in typeof(temp) or 'ifc4x3_tc1.ifccurve' in typeof(temp) or ('ifc4x3_tc1.ifcsurface' in typeof(temp))])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'geometriccurveset':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcgeometriccurveset' in typeof(temp) or 'ifc4x3_tc1.ifcgeometricset' in typeof(temp) or 'ifc4x3_tc1.ifcpoint' in typeof(temp) or ('ifc4x3_tc1.ifccurve' in typeof(temp))])
         for i in range(1, hiindex(items) + 1):
             if 'ifc4x3_tc1.ifcgeometricset' in typeof(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-                if sizeof([temp for temp in getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_tc1.ifcsurface' in typeof(temp)]) > 0:
+                if sizeof([temp for temp in express_getattr(express_getitem(items, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Elements', INDETERMINATE) if 'ifc4x3_tc1.ifcsurface' in typeof(temp)]) > 0:
                     count = count - 1
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'tessellation':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifctessellateditem' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfaceorsolidmodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_tc1.ifctessellateditem', 'ifc4x3_tc1.ifcshellbasedsurfacemodel', 'ifc4x3_tc1.ifcfacebasedsurfacemodel', 'ifc4x3_tc1.ifcsolidmodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'surfacemodel':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_tc1.ifctessellateditem', 'ifc4x3_tc1.ifcshellbasedsurfacemodel', 'ifc4x3_tc1.ifcfacebasedsurfacemodel'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'solidmodel':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsolidmodel' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_tc1.ifcextrudedareasolid', 'ifc4x3_tc1.ifcrevolvedareasolid'] * typeof(temp)) >= 1 and sizeof(['ifc4x3_tc1.ifcextrudedareasolidtapered', 'ifc4x3_tc1.ifcrevolvedareasolidtapered'] * typeof(temp)) == 0])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedsweptsolid':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_tc1.ifcsweptareasolid', 'ifc4x3_tc1.ifcsweptdisksolid', 'ifc4x3_tc1.ifcsectionedsolidhorizontal'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'csg':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_tc1.ifcbooleanresult', 'ifc4x3_tc1.ifccsgprimitive3d', 'ifc4x3_tc1.ifccsgsolid'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'clipping':
         count = sizeof([temp for temp in items if sizeof(['ifc4x3_tc1.ifccsgsolid', 'ifc4x3_tc1.ifcbooleanclippingresult'] * typeof(temp)) >= 1])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'brep':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcfacetedbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'advancedbrep':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcmanifoldsolidbrep' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'boundingbox':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcboundingbox' in typeof(temp)])
         if sizeof(items) > 1:
             count = 0
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'sectionedspine':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcsectionedspine' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'lightsource':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifclightsource' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'mappedrepresentation':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcmappeditem' in typeof(temp)])
     else:
         return None
@@ -13835,9 +13843,9 @@ def IfcShapeRepresentationTypes(reptype, items):
 
 def IfcSurfaceWeightsPositive(b):
     result = True
-    weights = getattr(b, 'Weights', INDETERMINATE)
-    for i in range(0, getattr(b, 'UUpper', INDETERMINATE) + 1):
-        for j in range(0, getattr(b, 'VUpper', INDETERMINATE) + 1):
+    weights = express_getattr(b, 'Weights', INDETERMINATE)
+    for i in range(0, express_getattr(b, 'UUpper', INDETERMINATE) + 1):
+        for j in range(0, express_getattr(b, 'VUpper', INDETERMINATE) + 1):
             if express_getitem(express_getitem(weights, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), j - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) <= 0.0:
                 result = False
                 return result
@@ -13847,28 +13855,28 @@ def IfcTaperedSweptAreaProfiles(startarea, endarea):
     result = False
     if 'ifc4x3_tc1.ifcparameterizedprofiledef' in typeof(startarea):
         if 'ifc4x3_tc1.ifcderivedprofiledef' in typeof(endarea):
-            result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+            result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
         else:
             result = typeof(startarea) == typeof(endarea)
     elif 'ifc4x3_tc1.ifcderivedprofiledef' in typeof(endarea):
-        result = startarea == getattr(endarea, 'ParentProfile', INDETERMINATE)
+        result = startarea == express_getattr(endarea, 'ParentProfile', INDETERMINATE)
     else:
         result = False
     return result
 
 def IfcTopologyRepresentationTypes(reptype, items):
     count = 0
-    if getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
+    if express_getattr(reptype, 'lower', INDETERMINATE)() == 'vertex':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcvertex' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'edge':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcedge' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'path':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'path':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcpath' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'face':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'face':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcface' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'shell':
         count = sizeof([temp for temp in items if 'ifc4x3_tc1.ifcopenshell' in typeof(temp) or 'ifc4x3_tc1.ifcclosedshell' in typeof(temp)])
-    elif getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
+    elif express_getattr(reptype, 'lower', INDETERMINATE)() == 'undefined':
         return True
     else:
         return None
@@ -13879,7 +13887,7 @@ def IfcUniqueDefinitionNames(relations):
     if sizeof(relations) == 0:
         return True
     for i in range(1, hiindex(relations) + 1):
-        definition = getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
+        definition = express_getattr(express_getitem(relations, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'RelatingPropertyDefinition', INDETERMINATE)
         if 'ifc4x3_tc1.ifcpropertysetdefinition' in typeof(definition):
             properties = properties + definition
         elif 'ifc4x3_tc1.ifcpropertysetdefinitionset' in typeof(definition):
@@ -13892,7 +13900,7 @@ def IfcUniqueDefinitionNames(relations):
 def IfcUniquePropertyName(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniquePropertySetNames(properties):
@@ -13900,7 +13908,7 @@ def IfcUniquePropertySetNames(properties):
     unnamed = 0
     for i in range(1, hiindex(properties) + 1):
         if 'ifc4x3_tc1.ifcpropertyset' in typeof(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)):
-            names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+            names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
         else:
             unnamed = unnamed + 1
     return sizeof(names) + unnamed == sizeof(properties)
@@ -13908,41 +13916,41 @@ def IfcUniquePropertySetNames(properties):
 def IfcUniquePropertyTemplateNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcUniqueQuantityNames(properties):
     names = express_set([])
     for i in range(1, hiindex(properties) + 1):
-        names = names + getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
+        names = names + express_getattr(express_getitem(properties, i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE), 'Name', INDETERMINATE)
     return sizeof(names) == sizeof(properties)
 
 def IfcVectorDifference(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_tc1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_tc1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) - mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else:
@@ -13950,31 +13958,31 @@ def IfcVectorDifference(arg1, arg2):
     return result
 
 def IfcVectorSum(arg1, arg2):
-    if (not exists(arg1) or not exists(arg2)) or getattr(arg1, 'Dim', INDETERMINATE) != getattr(arg2, 'Dim', INDETERMINATE):
+    if (not exists(arg1) or not exists(arg2)) or express_getattr(arg1, 'Dim', INDETERMINATE) != express_getattr(arg2, 'Dim', INDETERMINATE):
         return None
     else:
         if 'ifc4x3_tc1.ifcvector' in typeof(arg1):
-            mag1 = getattr(arg1, 'Magnitude', INDETERMINATE)
-            vec1 = getattr(arg1, 'Orientation', INDETERMINATE)
+            mag1 = express_getattr(arg1, 'Magnitude', INDETERMINATE)
+            vec1 = express_getattr(arg1, 'Orientation', INDETERMINATE)
         else:
             mag1 = 1.0
             vec1 = arg1
         if 'ifc4x3_tc1.ifcvector' in typeof(arg2):
-            mag2 = getattr(arg2, 'Magnitude', INDETERMINATE)
-            vec2 = getattr(arg2, 'Orientation', INDETERMINATE)
+            mag2 = express_getattr(arg2, 'Magnitude', INDETERMINATE)
+            vec2 = express_getattr(arg2, 'Orientation', INDETERMINATE)
         else:
             mag2 = 1.0
             vec2 = arg2
         vec1 = IfcNormalise(vec1)
         vec2 = IfcNormalise(vec2)
-        ndim = sizeof(getattr(vec1, 'DirectionRatios', INDETERMINATE))
+        ndim = sizeof(express_getattr(vec1, 'DirectionRatios', INDETERMINATE))
         mag = 0.0
         res = IfcDirection(DirectionRatios=[0.0] * ndim)
         for i in range(1, ndim + 1):
-            temp = list(getattr(res, 'DirectionRatios', INDETERMINATE))
-            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            temp = list(express_getattr(res, 'DirectionRatios', INDETERMINATE))
+            temp[i - EXPRESS_ONE_BASED_INDEXING] = mag1 * express_getitem(express_getattr(vec1, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) + mag2 * express_getitem(express_getattr(vec2, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
             res.DirectionRatios = temp
-            mag = mag + express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
+            mag = mag + express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE) * express_getitem(express_getattr(res, 'DirectionRatios', INDETERMINATE), i - EXPRESS_ONE_BASED_INDEXING, INDETERMINATE)
         if mag > 0.0:
             result = IfcVector(Orientation=res, Magnitude=sqrt(mag))
         else: